Bill Clinton's Most Serious Political Defeat in the First Years

Bill Clinton's most serious political defeat in the first years of his presidency was:

A) the failure of his ban on homosexuals serving in the military.
B) the failure to get the Senate to pass the North American Free Trade Agreement (NAFTA) on its first round through the legislative process.
C) the failure of Congress to vote for joining the World Trade Organization (WTO) .
D) the failure of his administration to achieve welfare reform.
E) the failure of his administration to achieve health care reform.