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one of the most significant events to shape the american history; Discovery of gold nuggets in the sacramento valley in the early 1848,

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-The chinese immigrate to California because of the economical and political trouble in China and the gold rush.
-They worked in agricultural and factory works and garment industry (they suffered a lot of discrimination)
-They where forced to work from sun up to sun down, and had to provide their own food. they also endured an epidemic of violent racist attacks

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-It lasted from 1848 to 1855, by the end, there where invented more complicated methods for gathering gold.
-This methods ruined much of the reigion landscapes and altered the course of rivers.
-they buil a transcontinental railroad up to the american west, connecting the two american coasts to export western resources to east markets

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-The cause of the civil war were: disagreements over slavery, states vs federal rights, abraham lincoln election, economy, attack of fort sumter, the union won this war.
the reconstruction determined the legal status of african americans. many white people did not want to reliquish supremacy, but the blacklash suceed

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-Tragedy of reconstruction and the post bellum south is that, while slavery was abolished and secessionism was destroyed the progress on civil rights was not simply unfinished, but outright aborted
-It would take a whole other century for civil rights to be fully advanced and implemented