They moved the Republican party to the right and defeated the Equal Rights Amendment .
Historian Marjorie J. Spruill argues that the anti-feminists led by Phyllis Schlafly had a more successful follow - up .
anti-feminists moved the Republican party to the right and defeated the Equal Rights Amendment .
Historian Marjorie J. Spruill argues that the anti-feminists led by Phyllis Schlafly had a more successful follow - up .