He became known as "The Lion of the Senate", through his long tenure and influence. More than 300 bills that Kennedy and his staff wrote were enacted into law. He was known for working with Republicans and finding compromises among Senators with disparate views. Kennedy played a major role in passing many laws that affect the lives of all Americans, including the Immigration and Nationality Act of 1965, the National Cancer Act of 1971, the Comprehensive Anti-Apartheid Act of 1986, the Americans with Disabilities Act of 1990, the Ryan White AIDS Care Act in 1990, the Civil Rights Act of 1991, the Mental Health Parity Act in 1996 and 2008, the State Children's Health Insurance Program in 1997, the No Child Left Behind Act in 2002, and the Edward M. Kennedy Serve America Act in 2009. In the 2000s, he led several unsuccessful immigration reform efforts. During decades in office, Kennedy's major legislative goal was enactment of universal health care, which he continued to work toward during the Obama administration.