The American settlers wanted more land, aswell as when they tried to make the Indiana conform to their beliefs ( Christianity ) change the way they dress and live some Indians didn't which caused conflict.
The answer is c because Hooverts philosophy explains that he didn't want the government to be involved in any part of the depression; he believes that people will help each other instead of always depending on the government.
Answer: He influenced noninterference by the United States in the affairs of other nations.