By giving people more jobs
The United States believed that the economic aid provided by the Marshal Plan would help contain the spread of communism
The postwar bruising boom in Oklahoma is the development that happened right after World War II. The developments that happened after the second world war was mainly because of the Interstate Highway System that made Oklahoma the center for the said system. Moreover, they also housed the biggest air depot in the world an, of course, this helped their economy. These are just some of the reasons, there are plenty reasons. But the main idea is that their economy improved.
For the 3 take always you can say something like how many people died something important they said in the CNN. For the summary just search up something in google like 9/11 and then just read it and summarize it or you can just watch the CNN
A: The Civil War
Assuming that you're talking about the American (U.S) civil war, that is.
The civil war was a conflict between the rights of the (slave owning) states and the national government. A war about state rights.
The war of 1812 was between 2 independent, sovereign nations.
The great depression was just an economic thing.
The northwest ordnance, I have the least knowledge of, but it still wasn't between states and the national government.
Hope this helps.
