I think the answer is either A or B
The fur trade was a big thing in America in the 1800s, along with Buffalo meat. These were many things early Americans started to industrialize.
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They where a help to the pope
The nineteen twenties are remembered as a quiet period in American foreign policy. The nation was at peace. Americans elected three Republican presidents in a row: Warren Harding, Calvin Coolidge and Herbert Hoover. These conservatives in the White House were generally more interested in economic growth at home than in relations with other countries.
But the United States had become a world power. It was tied to other countries by trade, politics and shared interests. And America had gained new economic strength.
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