Betty led the National Women's Strike Coalition to organize a protest against unequal pay for women's work. The Equal Rights Amendment was approved by the United States House of Representatives in 1971 and then by the Senate in 1972, finally allowing women to be considered equal. In 1973, the Roe v. Wade case ruled that abortion was legal for a woman during her first trimester of pregnancy. Because of the First, Fourth, Ninth, and Fourteenth Amendments, women's "privacy zone" was so broad that a woman could legally decide whether or not to terminate her pregnancy. To this day, abortion remains a hotly debated subject with many protests still occurring..