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  No more slaves can be imported into the United States
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  The Irish didn't have enough food
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  Political party that always said they knew nothing about anything.
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  Provided people to find homes and make improvements to the land, and if after 5 years they could have it
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  United States didn't let any chineese people in for 10 years.
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  This levies a charge of $.50 of every person, and didn't let crazy people in.
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  If you are chineese, an anarchist, or crazy, you can't come in.
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  If you can't read, then you can't come in.
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  This limited the amount of immigrants to 3%.
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  You have to register for a green card
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  The first time immigration was restricted from Mexico.
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  It is now illegal to hire an illegal alien
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  Starts restricting immigration further.
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  You have to now have a standardized state license or I.D card