That was called the Compromise of 1820 where the 30'36 line was enacted. States above that line would be free ( the north ) and states below that line were Slave states ( the south )
Transferred to the vice president, but not the office itself.
In 1972, Steinem and feminists such as Congresswoman Bella Abzug, Congresswoman Shirley Chisholm, and feminist Betty Friedan formed the National Women's Political Caucus. It continues to support gender equality and to ensure the election of more pro-equality women to public office.