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Lousisana Purchase
The result of a deal with France. the purchase was a huge gain for the U.S. becasue France was selling the land for dirt cheap to fund their war efforts. This more than doubled the size of the United States. Despite this there were still many who opposed this purchase because Jefferson claimed to be a strict constructionist and yet he warped the constitution to justify the land deal. This caused many to see him as a hypocrite.
(Image source) https://en.wikipedia.org/wiki/Louisiana_Purchase -
East and West Florida
This purchase occurred in the treaty of Adams Onis and gave all of Florida to the U.S. Florida had become a burden to Spain and so Spain gave Florida to the U.S. in exchange for settling a boundary dispute. This gave the U.S. more territory as well as a much needed buffer between the U.S. and Spanish territory. Because of this it was met with very little opposition.
(image source) http://fcit.usf.edu/florida/maps/pages/3500/f3583/f3583.jpg -
Texas Annexation
Texas declared independence from Spain in 1836. At this time most of Texas was in favor of joining the U.S. They where finally annexed in 1845 by president Tyler. The annexation gave the united states a huge amount of territory and a very large increase in population. it was still strongly apposed by Martin Van Buren and the whig party.
(Image Source) http://etc.usf.edu/maps/pages/1200/1243/1243.gif -
Oregon Territory
The Oregon Territory was disputed between the U.S. and Britain. President James K Polk suggested that the U.S. border be at the 49th parallel. Britain agreed. This gave the U.S. definitive land borders between them and Canada and officially opened up land for settlers. This came with very little opposition.
(Image source) http://www.learner.org/interactives/historymap/images/oregon.gif -
Mexican Cession
This is the name given to several southern states ceded to the U.S. by mexico in the Treaty of Guadalupe Hidalgo.This would be the third largest acquisition of territory in U.S. history. This gave the U.S. land that would turn out to be full of gold veins and the treaty ended the Mexican American war. this meant that there was very little opposition
(Image source) http://1.bp.blogspot.com/--Li7NdIozQE/UQFTT6t1ZjI/AAAAAAAAAAM/-aQ1Q1Yp40c/s1600/mexican+cession.gif -
Gadsden Purchase
This $10 million purchase from mexico made by James Gadsden gave the U.S. the southern tips of Arizona and New Mexico. This allowed for the completion of the transcontinental railroad. Despite this Gadsden was met with ridicule for the purchase and debate over slaves in the new territory is thought to be one cause of the American Civil War.
(Image source) http://i.ytimg.com/vi/gn2FzuPyFlY/maxresdefault.jpg
