History of the War Between Mexico and the United States, with a Preliminary View of its Origin, Volume 1

In Short

This volume presents a detailed historical investigation into the causes and opening clashes of the conflict between the United States and Mexico. Beginning with an analysis of Mexico's post-independence political instability and Spanish colonial legacy, the narrative examines the diplomatic friction surrounding the annexation of Texas, European geopolitical intrigues, and failed boundary negotiations. The text culminates in the initial military engagements along the Rio Grande, detailing the mobilization of forces and the bloody tactical encounters at Palo Alto and Resaca de la Palma. It endures as an authoritative, near-contemporary account of a pivotal nineteenth-century war.

The Story

The narrative opens with an analytical examination of the Mexican state following its independence from Spain. Inheriting a tradition of military predominance and local administrative corruption, Mexico suffers from persistent internal factionalism and central instability. These domestic troubles spill into its foreign affairs, resulting in repeated commercial injuries to foreign merchants and severe diplomatic delays in settling American claims. As domestic political leaders cater to public vanity rather than sober governance, peace between the neighboring republics becomes increasingly fragile.

Tensions escalate dramatically over the status of Texas. Following its revolt against Mexican authority—a rebellion validated by Santa Anna’s abrupt shifts in political principles—Texas operates as an independent republic. The United States, concerned that a vulnerable Texas might fall under British or French influence to the detriment of American security and trade, pursues annexation under President Tyler. Despite intense domestic debate between abolitionists and slaveholders, as well as European diplomatic maneuvering intended to curb American expansion, Texas is accepted into the Union. The specific boundary line remains unresolved, leaving a precarious margin for conflict.

Efforts to negotiate a peaceful resolution fall apart. American diplomatic envoys sent to negotiate boundaries and settle outstanding financial claims are turned away by Mexican leaders bound by internal political rivalries and public agitation. When the United States orders troops under General Zachary Taylor to advance toward the Rio Grande to secure asserted limits, the military buildup creates an volatile environment. Smuggling settlements and rough military camps spring up along the border, accompanied by crime and logistical strain.

The tension breaks into explicit warfare along the Rio Grande. Mexican authorities view the advance of American troops through Tamaulipas as a direct act of war. Initial skirmishes lead to a full-scale offensive by Mexican forces. General Taylor maneuvers his army between Point Isabel and Matamoros to secure supplies and reinforce Fort Brown under heavy siege. The two armies meet in open combat on the field of Palo Alto, where artillery exchanges and tactical line shifts decide the initial clash. The combatants clash again in the dense brush of Resaca de la Palma, where close-quarters engagements break the Mexican lines, securing the border region for the American forces and establishing the reality of full-scale war.

How It Unfolds

The Mexican state fractures Internal political factions and a reliance on military chieftains create a fragile government in Mexico, preventing local authorities from addressing external diplomatic grievances.

Texas breaks away and seeks union Following its revolt, Texas maintains a precarious independence while European powers seek influence in the region, prompting the United States to pursue annexation.

Diplomacy breaks down over borders American envoys are repeatedly rejected by Mexican ministers sensitive to domestic public pressure, leaving territorial claims along the Rio Grande unnegotiated and open to conflict.

Armies assemble on the frontier General Zachary Taylor moves American troops into disputed territory, establishing camps near the border amidst severe logistical challenges and rising local hostilities.

Fort Brown comes under attack Mexican forces cross the river and besiege the American field works, prompting daring reconnaissance missions through enemy lines to assess the fort's status.

Clashing lines at Palo Alto The opposing armies meet in open battle, where long-range artillery duels, veteran grit, and strategic tactical shifts push back the Mexican front.

Close combat at Resaca de la Palma Forces engage in dense thickets and hand-to-hand combat, breaking the Mexican center along the road and forcing a retreat across the Rio Grande.

The People

• Brantz Mayer: The author and former secretary of the U.S. Legation in Mexico, who seeks to explain the historical and structural causes of the war with diplomatic context and historical documentation.
• General Antonio López de Santa Anna: The Mexican military chief whose shifting political principles and harsh campaigns in Texas catalyze the Texan revolt and deepen domestic instability.
• President John Tyler: The U.S. Chief Executive who views British influence in Texas as a threat to American safety and actively pushes for annexation to break up European intrigues.
• General Zachary Taylor: The U.S. commander charged with moving troops to the Rio Grande, who manages difficult logistics and leads forces through the initial battles of the war.
• General William J. Worth: An American officer sent to negotiate with Mexican officials at Matamoros, who encounters immediate diplomatic rejections and reports growing war risks.
• Captain Charles A. May: An energetic dragoon officer who leads risky nighttime cavalry reconnaissance missions through guerilla-controlled territory to reach besieged positions.
• Captain Samuel H. Walker: A Texas Ranger who uses exceptional woodcraft and daring to slip past Mexican lines and maintain communication between General Taylor and Fort Brown.

In Its Own Voice

"The great deed rather than the great thought,--the brilliant act rather than beneficent legislation,--arrests and captivates the multitude."

This observation frames the author's analysis of why military leaders frequently rise to power within newly formed republics at the expense of quiet statesmanship.

"Our government, from the beginning, desired and attempted to allay excitement, whilst that of Mexico, revolutionary, disorganized and impotent as it was at home, and as it subsequently proved itself to be in the field of battle, did all it could to foment animosity between the two countries."

Here, the text articulates its central thesis regarding the diplomatic failure, placing responsibility for the breakdown of peace on Mexican domestic turmoil.

"The air, by day, was polluted with their horrid oaths and imprecations,--and the savage yells, exulting shouts, and despairing groans of their murderous frays, made night hideous."

This vivid description details the chaotic environment surrounding camp followers and border settlements near Corpus Christi prior to active hostilities.

What It's Really About

The text addresses the fundamental breakdown of international diplomacy when domestic political instability overrides calm governance. It explores how systemic flaws within a nation's administrative and military structures can force leaders to prefer open conflict over rational compromise. The work examines the broader implications of geopolitical expansion, detailing how regional instability invites foreign intrigue and compels neighboring states to take protective action.

Underneath the military record lies an inquiry into the mechanics of republican government. The author contrasts the patient, unobtrusive work of constitutional statesmanship with the easily manipulated passions of a populace drawn to military glory. Ultimately, the book presents the conflict not merely as a boundary dispute, but as the inevitable collision between an expanding power and a neighbor crippled by internal discord.

Why Read It Today

This work offers an eye-witness perspective from an author who served inside the diplomatic corps, bringing rare insight into the political dynamics of both nations prior to the outbreak of war. Readers interested in military history and nineteenth-century international relations will appreciate the detailed coverage of early combat tactics, logistical struggles, and diplomatic despatches.

The writing reflects mid-nineteenth-century literary conventions, combining formal, elevated prose with extensive historical documentation and Latin quotations. It does not conceal the prejudices of its era; the author frequently evaluates Mexican institutions through a critical, Anglo-American lens, reflecting contemporary assumptions about governance, culture, and national character. These elements require a critical reader, but they also provide a direct window into the mindset that drove American foreign policy during this era of territorial expansion. The detailed tactical descriptions of early border battles like Palo Alto offer a vivid sense of mid-nineteenth-century warfare, leaving a lasting impression of how quickly political missteps transform into battlefield casualties.