Because they wrote exposes of unfavorable conditions in the cities and industry, which led to Progressive Era reforms.
Answer:
Bring about American detente with the Soviet Union and China.
Explanation:
During Richard Nixon's presidency term, the United States' relation with china ad Soviet Russia improved significantly. In that decade no other President has traveled to China as a goodwill ambassador. Richard Nixon participated in the SALT (strategic arms limitations talks) agreement with the leaders of the Soviet Union. On May 26, 1972, an Anti-Ballistic Missile Treaty was signed between him and Leonid Brezhnev (Soviet leader). The U.S. and Soviet Union for the first time determined to restrict their nuclear arsenals.
50 is your correct answer