Complex sentence: In 1972 women's sports in the United States got a boost when the Congress passed the Title IX legislation as a part of the additional Amendment Act to the 1964 Civil Rights Act.
Split into simpler sentences: In 1972 women's sports in the United States got a boost when the Congress passed the Title IX legislation. The United States Congress passed this law as a part of the additional Amendment Act to the 1964 Civil Rights Act.