What was the major message of the Monroe Doctrine? Spain and Great Britain had to completely withdraw from North America.

All trade between Europe and Asia had to pass through the Americas.

The American continents were closed to European colonization.

Americans could no longer move westward.

The American continents were closed to European colonization.

Explanation:

in December 1823, the doctrine warns European nations that the United States would not tolerate further colonization or puppet monarchs.

i believe that the correct answer is a canadian hero.

explanation: he is celebrated as a national hero in canada for successfully thwarting a united states takeover of canada during the war of 1812.

the answer to your question is a because laws act as guidelines as to what is accepted in society. without it there would be conflicts between social groups and communities. it serves as a norm of conduct for citizens.