Cause/Effect of immigration reform

What is the first thing that comes to mind when you think of immigration? What is the United States’ current Immigration Policy? Would you even think that it is considered to be one of the most debatable topics today? Nowadays, many people decide to immigrate to have a better life for themselves and their families. Immigration reform, as it has been called, had been tried during the past years by our very own Congress. Obviously, administration's efforts failed because, currently, illegal immigration is still a platform. Why would anyone expect that immigration reform would be accomplished this time around? The "illegal" problem will solve itself over time. Illegal immigration is a serious problem in the United States and is one of the most controversial issues. During the 1980s and 1990s, illegal immigration was a round-the-clock issue for “political debate,” as immigrants continued to immigrate to the United States, mainly through Canada and Mexico. In the beginning of the 1960s, immigration reform had heightened because of the civil rights movement going on in the United States. According to "U.S. Immigration Since 1965" published on history.com, the reason for change is that “immigration [is] based on the national-origins quota system in place since the 1920s, under which each nationality [is] assigned a quota based on its representation in past U.S. census figures.” In the year 1996, Congress issued two reforms that “addressed border enforcement and the use of social programs by immigrants.” Most recently, since the tragic event of 9/11, the Homeland Security Act of 2002 founded by the DHS (Department of Homeland Security), “which took over many immigration services and enforcement functions formerly performed by the Immigration and Naturalization Service (INS)” ("U.S. Immigration Since 1965").
There are many causes of immigration to the United States. The United States has been described as a nation of immigrants, where people of many