1. Economically, what made the United States a strong international contender

One of the contributing factors that makes the U.S. economy strong is a wealth of arable agricultural lands. There are about 470 million acres of U.S. land that are under cultivation. These resources produce food that accounts for 99.5% of America's food sources.

Explanation:

the answer that best explains what happened to george washington at fort necessity, pennsylvania is : washington was attacked by the french but was able to negotiate with them to peacefully end fighting. the battle took place on july 3, 1754. the battle is considered as being the start of the french and indian war.