Question

The number-one goal of the Truman Doctrine was to stop the spread of
in the world.

Answer 1

COMMUNISM

Step-by-step explanation:

A little while ago, Russia, China, and some other countries were trying hard to convert other countries to communism. The U.S. didn't like this very much, so it established the Truman Doctrine, which basically said:

"Yo if you're democratic and NOT communist, we will give you some moola."

Yeah, it worked.