Which statement best explains why the United States grew into a world
economic power in the 20th century?
A. The United States stayed out of major world wars and instead
made economic investments.
B. The United States put effective trade barriers in place to limit trade
with other nations.
C. The United States prevented other countries from abandoning the
gold standard
D. The United States increased its participation in international trade.

United States of America grew into a world economic power in the 20th century because: D. the United States increased its participation in international trade.

What is an international trade?

An international trade can be defined as a process that typically involves the buying and selling of goods and services between a producer in a foreign country and the consumers in another country at a specific period of time.

This ultimately implies that, an international trade is a type of trade that occurs across borders rather than just within a country or domestically. Consequently, United States of America grew into a world economic power in the 20th century because it was greatly involved in international trade.

Read more on international trade here: https://brainly.com/question/17727564