Sectional Conflic9

Sectional Conflic9 - U.S. attempts to purchase from Mexico...

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Sectional Conflict Slavery, sectionalism sow seeds of war For almost a decade, Texas remained an independent republic, largely because its  annexation as a huge new slave state would disrupt the increasingly precarious balance  of political power in the United States.  In 1845, President James K. Polk, narrowly  elected on a platform of westward expansion, brought the Republic of Texas into the  Union.  Polk’s move was the first gambit in a larger design.  Texas claimed that its  border with Mexico was the Rio Grande; Mexico argued that the border stood far to the  north along the Nueces River. Meanwhile, settlers were flooding into the territories of  New Mexico and California.  Many Americans claimed that the United States had a  "manifest destiny" to expand westward to the Pacific Ocean.
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Unformatted text preview: U.S. attempts to purchase from Mexico the New Mexico and California territories failed. In 1846, after a clash of Mexican and U.S. troops along the Rio Grande, the United States declared war. American troops occupied the lightly populated territory of New Mexico, then supported a revolt of settlers in California. A U.S. force under Zachary Taylor invaded Mexico, winning victories at Monterrey and Buena Vista, but failing to bring the Mexicans to the negotiating table. In March 1847, a U.S. Army commanded by Winfield Scott landed near Veracruz on Mexico's east coast, and fought its way to Mexico City. The United States dictated the Treaty of Guadalupe Hidalgo in which Mexico ceded what would become the American Southwest region and California for $15 million....
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