The answer is: [B]: "human nature" .
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I think it would be communication. As said before, they contacted one family about the schools. To get even more information contacting others would be even better.
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Answer:
dependent variable
Explanation:
In researches, dependent variable refers to the things which values are intended to be measured by the researchers. Dependent variable could take form in different varieties including object, situation, event, idea, or any other type of category.
Researchers will pair this dependent variable with other independent variables in order to find out whether other independent variables could provoke a change in the dependent variable.
The correct answer in this question is the first option. It is a non governmental organization based in the United States that monitors and promotes democratization around the world. It was formed in October 1941. Freedom House is headquartered in Washington, D.C.
The answer to this question is, The Marshall Plan. This plan is in which the US gave the European nations 13 Billion dollars so they could rebuild what was lost after the war. I hope this helps you.