Mexican-American War

The Annexation of Texas was the process by which the Republic of Texas joined the United States. Although Texas had voted for annexation after gaining independence from Mexico in 1836, the U.S. delayed due to concerns about upsetting the balance between free and slave states. Despite this obstacle…

The 1828 Treaty of Limits was a significant agreement between the United States and Mexico that established their shared border. It reaffirmed the boundary set by the 1819 Adams-Onis Treaty. While intended to prevent future disputes, Mexico viewed the U.S. recognition of Texas's independence…

<p><span class="deck">Long before Vietnam, Korea, the Argonne, or San Juan Hill, there was Mexico. As usual, it was the average G.I. who shouldered the burden of our foreign policy and what it cost in blood. This is the very graphic story of one foot soldier, as he told it in letters to his family back home in Massachusetts</span></p>

<p dir="ltr" id="docs-internal-guid-619cd7a5-d1e7-3410-8328-514fc270be4e" style="line-height: 1.295; margin-top: 0pt; margin-bottom: 8pt;">President James K. Polk expanded U.S. territory by a third by war-making and shrewd negotiating.</p>

<p>In a momentous couple of years, the young United States added more than a million square miles of territory, including Texas and California. </p>