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  The first true immigrants to the American continent were often looking for religious freedom and a chance to start anew.
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  The US purchases the lower part of Arizona, effectively changing the border between the US and Mexico
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  Act that prohibited certain groups of Chinese people from immigrating, particularly women who engaged in prostitution as a profession, convicts, and forced laborers.
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  Long held as the symbol of American Immigration, this statue is said to represent the mixing pot of the US.
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  Order signed by President Arthur prohibiting all Chinese immigration to the US
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  Raised the Immigration fee from $2 to $4, set a limit on the number of Japanese immigrants allowed.
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  Arizona enters the union as the 48th state.
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  Ellis Island closes and immigrants are no longer processed here before being admitted the the US after processing more than 12 million people.
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  Signed into effect by President George H. W. Bush, it reformed the previous act and set a defined limit on the number of immigrants allowed into the US per year.
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  Sheriff Joe assumes office and becomes one of the most notorious enforcers of immigration
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  A proposed piece of legislature that would allow for alien minors to receive legal citizenship.
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  Signed by President George W. Bush, this act called for a fence to be built along the US/Mexico border.
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  This piece of legislature has called much attention to Arizona because it is a strict requirement for aliens to have their documentation on them at all times.
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  Act started by President Obama to allow for certain youth who meet requirements to be exempt from deportation and receive work visas.
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  Donald Trump has stated that he will build a wall between the US and Mexico and that Mexico will pay for it.