Civilization is slowly but constantly evolving.
As of now there are 23 women in charge of Fortune 500 companies. They include some household company names. Mary Barra (GM), Margaret Whitman (HEWLETT-PACKARD ), Virginia Rometty (IBM), Indra Nooyi (PEPSICO INC), Marillyn Hewson (LOCKHEED MARTIN CORP), Ursula Burns (XEROX CORP) and Marissa Mayer (Yahoo) to name a few.
At this time Hilary Clinton is favored to win the Democrat party nomination for president and in some circles she is favored to win the general election.
Considering it was August 18, 1920, the 19th amendment guaranteed all American women the right to vote things have changed . Women have held high positions in government and in the corporate world. Naturally nothing moves as fast as we like to see it but one can't deny there has been some major progress in the lives of women since 1920.
However power is usually (seized) by the person wanting it. Rarely is it just "given" to anyone. A person has to be willing to put themselves out front and center and be willing to take on the arrows of the opposition.