What was the purpose of the Monroe Doctrine?

What was the purpose of the Monroe Doctrine?

To oppose European colonialism or any European interference in the Americas

To develop a plan for the admittance of the Northwest Territories into the Union as states

To make it illegal for an American citizen to wage war against any country at peace with the US

To draft a declaration of war against the British for impressment of US sailors

The purpose of the Monroe Doctrine was to oppose European colonialism or any European interference in the Americas.