The kind of dances performed then required holding each other, which put those of us who were shy at a disadvantage.
There was need for an organized way for young couples to meet for the first time. Way, way back in frontier days, men in the wilderness advertised in Eastern newspapers for a bride.
Similarly, during parts of the latter half of the 20 century, people once again began to use newspapers and magazines to make known their wishes to meet someone of the opposite sex.
These small blurbs appeared in the personals section.
The social rules for dating change from one generation to the next.
There was a time when a proper young man and woman could not speak to each other unless they had been formally introduced. On the other hand, I understand from my patients that it is considered bad manners now for young people to date someone who has previously dated one of their friends.
The women reported to me that they did not feel threatened—although they were very likely to report that they felt disappointed. Most of the precautions I thought were important were against being stuck for a whole evening with a boring date.