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The Positive and Negative Effects of Immigration Ryan Bohn Mr. DiMauro Government Period 1/2 B Immigration Ryan Bohn Government Period 7/8 A During the first 2 million years of the United States' history, the human population was a minor element in the world ecosystem, with at most 10 million members. One Hundred thousand years ago, with the dawning of the Stone Age, the number of human beings began to increase more rapidly. The relative balance before these times gave way when the human population developed methods of agriculture and animal breeding. This enabled them to stay in one location upon the earth instead of searching for food.

Population growth during the 20th century was notably rapid. In 1994, the total world population was estimated at about 5.6 billion people. It increased nearly 4 billion people during the 20th century. The most significant world trend shows that death rates are currently decreasing due to recent technology, allowing people to live longer and better.

However, the birth rates are increasing in poor countries, and decreasing in wealthy nations, causing the population to increase. "Eighty-eight percent of the world's population takes place in Third world countries. More than a billion people today are paid less than one hundred and fifty dollars a year, which is less than the average American earns in a week" (Microsoft Encarta). This causes the majority of poorly paid people to come to the United States of America in search of a better life. This leads to a question that is being discussed by the presidential candidates, and also many congressmen who are running for election in their states. Should America open its borders to attract more workers to our prosperous economy? More than 1 million people are entering the U.S. legally every year. From 1983 through 1992, 8.7...