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Nov. 2 1795
was elected on a platform of westward expansion and wanted to make Texas a part of the union and tried to buy land from Mexico but Mexico refused to sell which lead a clash of troops and lead to the Mexican-American war

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Apr. 30 1803

once Jefferson made this purchase that opened the way to westward exploration and westward expansion

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Feb. 22 1819

it made a border between the US and Spain. Spain gave Florida to the Us and US gave up taxes and 5 million dollars

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Oct. 2 1835

This was important because it gave the many Americans that lived in northern Mexico (Texas) freedom and independence from Mexico and allowed them to create their own country

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Dec. 29 1845

At the time when Texas was added to the union there were still land disputes between Texas and Mexico and so when Texas was added to the union those land disputes became to united states problem which would eventually lead to the Mexican-American war

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Apr. 25 1846

This lead to the us gain lots of territory which lead to more westward expansion and the war caused some disputes between people who favored and opposed the war

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Jun. 15 1846

When this implemented it kept a balance between slave and free states with Maine being entered as a free state and Missouri being entered as slave state

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Jan. 24 1848

once gold was discovered in California that greatly increased the amount of people moving westward and California was made a state

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Feb. 2 1848

As a result of this treaty the united states gained a major section of southwest America or the equivalent of 4 states

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Dec. 30 1853

When Mexican land was bought buy US for 10 million dollars