Women's lib march / feminist march / Women's movement; float in parade says "WOMEN ARTISTS UNITE"; sign says "MALE CHAUVINISTS BEWARE;" woman on back of car with sign that says "WOMEN UNITE"; parade up 5th Avenue; group of women in Central Park; Gloria Steinem at podium says, "Women, black people, Puerto Ricans, Mexicans, and all the minorities. that all of us must stand up together and say 'No more!' This inhuman system of exploitation will change but only if we force it to change and force it together;" another woman demands child care facilities