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  The importation of slaves is banned in the United states
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  Many people from the Knownothing party were elected and they supported the idea of restricting immigration.
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  The Homestead Act provided homes for the poor and the immigrants. One had to move to a piece of land for five years and improve it.
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  Immigrants were expected to pay fifty cents per person.
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  Immigrationts that the workers at Angel and Ellis Island deemed anarchists were stopped and sent to their home countries.
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  American women who married immigrants lost their citizenship to help prevent immigrants from becoming immigrants.
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  This act added the literary requirement to immigrate into the United States.
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  People in the United States territory of Puerto Rico who wanted to be citizens had to join the military,
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  This act limited immigration to three percent of what it was during 1920.
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  People recognize this act as the green card legislature. Immigrants had to register as an American citizen and recieve a green card for proof of citizenship.
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  This added new resitrictions on immigration from Mexico.
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  This made it illegal to hire an illegal alien in the United States.
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  This strengthened border enforcement. It also stated that if someone wasnt a citizen, then they didnt recive benefits.
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  Due to 9/11, restrictions were added on immigration from everywhere. It created a Department of Homeland Security and incresed border control.
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  This criminalizes being an illegal alien in Arizona, and it makes it so the Arizona Police force is responsible for enforcing this law.