1930s: Most women are expected to be housewives and, if they do choose to work, are limited to jobs as secretaries, assistants, nurses, or teachers.

Today: Many women hold powerful and important positions in major companies. However, women still earn proportionally less than their male counterparts.

1930s: Space travel only exists in the realm of fantasy and there is no federal space agency.

Today: Since 1961, over four hundred people have visited outer space and NASA is making plans to send astronauts on a mission to Mars.

1930s: Three million American workers are members of unions.

Today: The AFL-CIO alone has over thirteen million members from sixty-one different unions.