to fight against the spread of communism
Us a stimulus check
The US promised to stop Communism or "contain it."
The document to which you are referring would be the Monroe Doctrine, issued during Monroe's presidency (1823).
Basically, the Doctrine warned that the United States was no longer to be considered an area open to European influence or colonization. The US promised not to interfere in the affairs of Europe and Europe would respect that fact that the Western Hemisphere was closed to colonization and influence by any other power than the US.
Truman Doctrine
In 1958 Congress approved what came to be called the Eisenhower Doctrine, a resolution that promised to extend economic and military aid to Middle East nations. or internationalism
The Truman Doctrine promised support to any nation battling communism.
The United States promised to stay out of European affairs in the Monroe Doctrine.
The First Bank of the US was based on: "The Doctrine of Equitable Subrogation."
Truman Doctrine
The fifth president of the United States was James Madison. He promulgated the Monroe Doctrine which pledged to protect Latin Americans from foreign influence.
The Monroe Doctrine was in direct opposition to the Truman Doctrine. The Monroe Doctrine said the US should not interfere with events in Europe.