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• Why do migrants face challenges?
• a migrant needs a passport in order to legally emigrate from a country and a visa in order to legally immigrate to another country.
• The U.N. classifies countries according to four types of immigration policies: 1. maintain the current level of immigration, 2. increase the level, 3. reduce the level, 4. no policy. Similarly, emigration policies are identified by the same four classes. 
• Unauthorized immigration:
• historically high level and the number of people who wish to come is an even greater number. The people who can not afford enter U.S. illegally and those who do so are called unauthorized immigrants
• 11.3 unauthorized immigrants living in the united states in 2014, the number decined from 12 million because the reduced amount of job opportunities in 2008, the amount of unauthorized immigrants is now less than the number leaving.
• The distribution is mostly across Texas, California, and some in Nevada.
• The source country is more than half of Mexico emigrants 
• Children make up one million of unauthorized immigrants
• and 8 million of unauthorized immigrants are employed
• Quotas- maximum limits on the number of people who could immigrate to the united states during one-year period 
• Twelve million immigrants were processed at Ellis Island in 1892 to 1954, Ellis Island is no longer used to process immigrants , it is now the museum of immigration
• Immigrants that are eligible to be admitted without limit are: children, spouse, and parents of a current U.S. citizens
• Brain Drain- large-scale emigration by talented people
• Chain migration- migration of people to a specific location because relative or members of the same nationality previously migrated there
• Mexico border is 1,951 miles long
• American would like more border patrol, work, civil rights and local initiatives
• Guest worker- someone who is from a poorer country who is temporarily working for a business
• circular migration- temporary movement of a migrant worker