What inspired women to begin enlisting?

Women have been a part of the war effort since the Revolutionary War, but in the early days of our nation they had to cloak themselves in disguise to serve alongside men. When they were accepted into the military, women were given auxiliary roles. As the weapons and methods of warfare changed in the late 20th century, however, the Pentagon began to realize that gender matters less on the battlefield.

Let me think for a moment please :)

a peace conference held after the surrender of japan

an international conference held near the end of world war ii

a meeting of the victorious nations after the defeat of germany

a summit meeting between the united states and the soviet union