Territories Expansion In The 1800's

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Territories began to expand in the 1800’s. In the 1820’s Mexico won independence from Spain and Americans’ began to migrate there. 10 years later Mexico was surprised to see how much the population and culture grew in Texas. In the late 1830’s Texas petitioned to be part of the United States.1 However during this time the expansion of slavery and keeping peace with Mexico was in issue. 2 Finally in 1845 Texas became part of America. This sent America to war with Mexico. During the same time America was considering claiming “Oregon”. At the time Oregon was shared by Britain and America.3 But because America was already at war with Mexico they decided against it.4 In 1848 Mexico gave up Texas north of the Rio Grande.5 During the time of the was