The Monroe Doctrine was intended to guard what for the United States? the Western Hemisphere
the use of all foreign trade ports
the terms set forth in the Treaty of Paris
its independence from Great Britain

A.

Explanation:

The Monroe Doctrine was a policy framed by President James Monroe. The doctrine was issued in opposition to European colonialism in America. The doctrine was intended to guard the Western Hemisphere of the United States from European colonization.

After Spain and Portugal colonies in Latin America achieved independence, President Monroe issued this policy to stop European countries to further attempt to colonizing countries in the US.

Therefore, option A is correct.

a plantation economy is an economy based on agricultural mass production, usually of a few commodity crops grown on large farms called plantations. plantation economies rely on the export of cash crops as a source of income.

i hope this : )