本题考查克林顿总统的成就。

President Clinton had some major legislative successes and failures during his first term. Congress passed a Family Leave Act, a deficit reduction passage, and the North American Free Trade Agreement, which increased trade between the United States, Canada, and Mexico. 

克林顿总统在第一届任期内，主要有几项重大立法成就与失误。国会通过了休假案以及减少赤字的做法。并且签订了北美自由贸易协定，这一协定增加了美国、加拿大与墨西哥之间的贸易往来。故选D。