Question

How do you think America would be different if the Monroe Doctrine was not proclaimed?

If the Monroe Doctrine had not been proclaimed Europe would have continued to colonize Central and South America making the country under Europe rule instead of the United States.

Answer 1

It's fine -- except that Latin America is not under the rule of the United States. Check that part of the Doctrine.

Answer 2

If the Monroe Doctrine had not been proclaimed then Europe now has a free hand in Latin America.

Answer 3

Right.