170,000 visas for immigrants from eastern hemisphere countries.(Immigration) Another law, effective in 1968, provided for an annual limit of 120,000 immigrants from the western hemisphere, with visas available on a first-come, first-served basis. In 1977 an amendment to the Immigration and Nationality Act changed the quota to 290,000 immigrants worldwide, with a maximum of 20,000 for any particular country, thus abolishing separate limitations for each hemisphere. At the same time, a system was set up for western hemisphere immigrants, giving preference to those who are related to U.S. citizens or permanent resident aliens and to workers whose skills were needed in the U.S. The Refugee Act of 1980 reduced the worldwide quota to 270,000 persons, while retaining the preference system. Spouses, children, and parents of U.S. citizens are exempt from limitation, as are certain categories of special immigrants. In 1992 alone about 700,000 newcomers were accepted in the United States (The New Americans, 17)In the 1980s concern about the surge of illegal aliens into the U.S. has led Congress to pass legislation aimed at curtailing illegal immigration. The Immigration Reform and Control Act of 1986 allows most illegal aliens who have resided in the U.S. continuously since January 1, 1982, to apply for legal status. In addition, the law prohibits employers from hiring illegal aliens and mandates penalties for violations.Despite our long history of immigration and constant population flux, many Americans believe that it is time to curtail immigration to the U.S.. The increase in foreign born citizens is too large to ignore. Immigration generates 39 percent of the total population growth (Mandel, 114). Due to this increase, many Americans are becoming uneasy about new immigrants to the U.S.. In a Roper poll conducted by the organization Negative Population Growth, 83 percent of those interviewed favored a lower level of immigration; 70 percent of ...