Since the 1960s dating patterns have become less formal as there is more flexibility because the dates did not involve a formal commitment to one other.
Previously, dating rules were set by the community and church. The guy used to come to the women's house.
It has also been observed that the women had more control in dating because the man was coming into her house.
From the 1920s to 1945, dating was more informal than it had ever been before.
There were no chaperones on dates between males and females for the first time.
Therefore, the correct answer will be option C; dating patterns have become less formal since the 1960s because they did not involve a formal commitment to one other.
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