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  With this act, slaves were no longer permitted to be imported into the U.S.
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  The Knownothing party supported the idea of restricting immigration. In the congress elections of 1854, many people from that party were elected.
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  Chinese railroad workers were now limited to immigrate with this act.
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  This act provided lands for the poor and immigrants. These places of residence were very cheap and/or free. This act eventually brought many immigrants to the United States.
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  The act that made immigrants pay fifty cents for every person that entered the country. Many groups were denied entrance and crazy people weren't allowed in the country either.
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  This act allowed immigrants to be excluded depending on their political stature.
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  This act made it necessary for people to take a literacy test and pass it in order to be allowed to immigrate into the United States.
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  This act stated that those residents of Puerto Rico who wanted to become U.S. citizens, had to join the military.
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  The Emergency Quota Act limited immigraion to 3% of what it was in 1920. This image perfectly portrays how immigration was basically controlled under this act.
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  This act is recognized as the green card legislation.
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  With this program, the U.S. imported thousands of Mexican laborers to work as agricultural laborers here in the U.S.
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  This act gave the priority to immigrants with family members already living in America or to those who had a special career in America, such as being in the medical field.
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  What this did was make the border enforcement stronger than it was before. Also, benefits weren't going to be given to those who weren't citizens.
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  President Bush allows 6,000 National Guard members to assist the Border Patrol working near the Mexico border.
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  This law gives the responsibility to the Arizona police to enforce this law that considers being an illegal alien, a crime.