Answer:
what became known as the “long, hot summer” of 1967, injustice stemming from the frustrations of poverty and unemployment, the systematic denial of employment opportunities by white-owned businesses and city services by white-led municipal governments, and mistreatment by white or mostly white police forces led to explosive confrontations between black residents and the forces that oppressed them. The deadliest and most destructive riots took place in Newark, New Jersey, and Detroit, Michigan. However, even smaller cities, such as Cambridge, Maryland, experienced unrest. What follows are brief sketches of the violent episodes that gripped each of these cities during the summer of 1967.
The answer is B. Flappers were seen as entertainers
The encyclopaedia created by Denis Diderot was the first one to include many different contributors to it and thoroughly described the the mechanical arts. The mechanical arts are actually many different fields of reality such as cooking, trade, agriculture, tailoring, and many many more.
The correct answer is A. National Labor Relations Act.
The National Labor Relations Act, passed in 1935, is a federal law that gave private sector employees significant rights in the work place. These rights include the ability to join a union without penalty, the ability to collectively bargain with their employers over wages, and the opportunity to take collective action (like striking) against their employers if the conditions/wages are not up to par. This was history in the making, as laborers had been fighting for legal rights like this since the late 19th century.