A SOUTH AMERICAN IMPORT Street gangs form for a variety of reasons. The United States has experienced the growth of many types of street and prison gangs within the last 20 years. During this time period, influxes of legal and illegal refugees into the United States have had a documented effect on the formation of new street gangs. In the early 1980s, a violent civil war began in El Salvador which would last more than 12 years. Approximately 100,000 people were killed in the war, and more than one million people fled from El Salvador to the U.S. The Salvadorian...