American Expansionism Dbq

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Throughout history, many great nations have amassed an immense empire through expansionism, which is a nation's practice or policy of territorial or economic expansion. The United States expansionism was present since it became an independent nation itself. Manifest Destiny, which is the belief that the expansion of the U.S. throughout the American continents was both justified and inevitable played a big role in expansionism in the mid 1800’s. The Louisiana purchase from France in 1803 for fifteen million dollars. The land was roughly around 828,000,000 square miles! The Louisiana Territory stretched from the Mississippi River in the east to the Rocky Mountains in the west and from the Gulf of Mexico in the south to the Canadian border in the north. It doubled the size of the united states and it was considered the largest land sale in history. …show more content…

armed conflict on foreign soil. President Polk sent John Slidell to Mexico City in November 1845. This was called “The Slidell Mission.” The assignment from the president was: to give Mexican recognition of the Rio Grande as the TX-US border, American forgiveness by U.S. citizens against the Mexican Government, the purchase of California at any price, and the purchase of the New Mexico area for five million dollars. The Treaty of Guadalupe-Hidalgo was what ended the war in 1848. The treaty was basically forced on Mexico. Mexico then gave up claims on Texas above the Rio Grande. Mexico also gave the U.S. California and New Mexico, which makes up the states of California, New Mexico, Arizona, Colorado, Nevada, and Utah. The U.S. gave Mexico fifteen million dollars for the territory claims plus the assumption of some damage claims. The seventeen-month war cost about one hundred million dollars and more than thirteen thousand American lives, mostly due to diseases. New territories were brought into the Union, which forced the explosive issue of slavery to national

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