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Whitney
Whitneys cotton gin transforms southern economy -
Britain
Britain abolishes slave trade -
Missouri
Missouri Compromise -
House of Representatives
House of representatives passes "Gag Resolution". -
Canada
Canadian rebellion and Coraline incident -
Antislavery
Antislavery Liberties party organized -
Webster-Ashburton treaty
Webster-Ashburton treaty -
US
US annexes texas -
Period: to
Mexican War
Mexican War -
Free soil
Free soil party organized -
Treaty
Treaty of Guadalupe Hidalgo -
Gold
California Gold Rush -
Gold again
Australian Gold rush -
Pierce
Pierce defeats sScott for Presidency -
Gadsden
Gadsden purchase from Mexico -
Meiji Restoration
Meiji Restoration in japan