Students were also more willing to have sex outside of committed relationships because birth control was increasingly available. Oral sex was also on the rise, entering the lives of many young people.
Beginning in the late 1960s, the Women's Movement enforced the idea that women, like men, were sexual beings who had desires and the right to receive pleasure.
During the World War II era and continuing through the 1940s, young male adults in the United States were scarce.
As a result of the mandatory draft, most of them were overseas fighting the war—many of whom never returned.
A new relationship style called "going steady" emerged.
As the twentieth century progressed, many young members of the upper class grew to dislike the "calling" style of dating and started rebelling by going on dates as did members of the lower class.