One of the most obvious changes was that it multiplied the number of partners (from serious to casual) an individual was likely to have before marriage.So one important point to understand right up front (and about which many inside and outside the church are confused) is that we have not moved a dating system into our courtship system.The man and the woman usually were members of the same community, and the courting usually was done in the woman's home in the presence (and under the watchful eye) of her family, most often Mom and brothers.
Since most young adults will marry, the process employed in finding a husband and wife is still considered courtship.
However, an extra layer, what we call "dating," has been added to the process of courting.
You didn't get ice cream in small town restaurants, you went to a soda fountain.
In the evenings, the soda fountain tables in the drug store "would be full.
They couldn't afford to buy a hamburger in the 1930s, even on a date.