Final answer:
Title IX was added to the Education Amendments of 1972 in response to social movements advocating for educational equality for women, which led to significant advancements in reducing gender discrimination in various academic and athletic programs.
Step-by-step explanation:
The scenario that best explains the inclusion of Title IX as part of the Education Amendments of 1972 is that members of Congress added the amendment to the bill in response to social movements seeking to address inequality in education for women.
Title IX was a significant legislative step that prohibited gender discrimination in any educational program or activity receiving federal funding. The law has had a profound impact on increasing opportunities and reducing inequalities for women in sports, professional, medical, and graduate programs, as well as expanding the representation of women in faculty and administrative roles in educational institutions.