One of the primary causes of economic prosperity in the 1920s was due to new developments in

The Automobile industry

Explanation:

In the 1920s, the Automobile industry had been revolutionized in no small part by Henry Ford which led to cars becoming so popular that everyone wanted to buy one.

This growth in the automobile industry led to growth in other industries that the automobile relied on such as oil which powered the car, glass which was used to make the cars, tourism which became easier to engage in with a car and road building which provided a conduit for cars to move.

affirmative action refers to the policies that take gender, race, or ethnicity into account in order to promote equal opportunity.

employers subject to title vii are prohibited from taking race or sex into account in any employment decisions. aa is a penalty for having any job group substantially statistically "underutilized" in any race or either sex. the employer must take steps to eliminate the underutilization, then stop, ending its aa efforts

frederick william of brandenburg-prussia trained his son, frederick, to be a hardy soldier. but frederick disliked rifle shooting and horseback riding. unlike his father, he was interested in french literature. he enjoyed poetry and music and, like some others of the enlightenment, he scoffed at religion. his father thought him soft, frivolous and unmindful of his duties. and when frederick refused to put his signature on a right to succession, for a few moments his father strangled him.