For what reasons and with what results did U. S foreign policy change between 1880 and 1920?

The concerns raised by the economic depression of the early 1890s further convinced business owners that they needed to tap into new markets, even at the risk of foreign entanglements. ... Such an increased investment in overseas markets in turn strengthened Americans' interest in foreign affairs.

Explanation:

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.