How did the United States entry into World War I change the culture and international political policies of the country?

I don't know if this is what you mean but-

Explanation:

The USA did not contribute to WWI. This introduced political isolationism, as they completely isolated themselves during WWI. They realized they did not want to work with countries such as France, or the UK, as they wanted different things.

the correct answer is:

b) a rich merchant.

rain drop drop top my name is nick harris and this is my pawn shop