500
1) The United States would not interfere in the affairs of European nations.
2) The United States would recognize, and not interfere with, European colonies that already existed in the North and South America.
3) The Western Hemisphere was to be off-limits to future colonization by any foreign power.
4) The United States would consider any European power's attempt to colonize or interfere with nations in the Western Hemisphere to be a hostile act.
What are the four basic points of the Monroe Doctrine?