What book influenced the womens movement in usa and europe and what was its significance?

Simone de Beauvoir, a French author who was of great importance to the emergence of the post war women's liberation movement. In 1949, she published her highly influential work, The Second Sex. As a result of male-dominated societies, she argued, women had been defined by their differences from men and consequently received second-class status. Her book influenced both the American and European women's movements.