You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "the american policy warning against future european colonization of the western hemisphere was?" whose answer is Monroe Doctrine.
Each document should contain about 30 words, and these documents should contain useful information.

Query: American policy warning against future european colonization of the western hemisphere
Useful Output:

Doc 1: Monroe warned European powers not to seek new colonies in the Western Hemisphere (implicitly counting on Britain, which also opposed its
Doc 2: The US Monroe Doctrine, proclaimed in 1823, was a foreign policy statement asserting that the Americas were off-limits to further European colonization and
Doc 3: Trump's determination to treat the Western Hemisphere as a U.S. sphere of influence signals a revival of the Monroe Doctrine, the strategy first
Doc 4: While the Monroe Doctrine's message was designed to keep European powers out of the Western Hemisphere, Roosevelt would strengthen its meaning
Doc 5: The Western Hemisphere is “henceforth not to be considered as subjects for future colonization by any European powers;” · “we should consider any