Complex sentence: Two major pieces of legislation passed in 1996 had a significant effect on illegal immigration and deportations in the United States; the Antiterrorism and Effective Death Penalty Act (AEDPA) and the Illegal Immigration Reform and Immigrant Responsibility Act (IIRIRA).
Split into simpler sentences: Two major pieces of legislation passed in 1996 had a significant effect on illegal immigration and deportations in the United States. The two laws were the Antiterrorism and Effective Death Penalty Act (AEDPA) and the Illegal Immigration Reform and Immigrant Responsibility Act (IIRIRA).