Roosevelt’s Monroe Doctrine Corollary originally meant the United States would intervene in conflicts between: European nations and their colonies in Asia.
European nations and China.
European nations.
European nations and their New World colonies.

European nations and their New World colonies.  

Explanation: The Roosevelt’s Monroe Doctrine Corollary stated that the U.S. would intervene in any dispute between Europeans Nations and their "New World" colonies, specifically the ones located in  Latin America and the Caribbean regions.

zoom in on the bill of rights. the other side was just as divided: some antifederalists opposed the constitution only because it lacked a bill of rights, and others opposed it on other grounds and merely used the bill of rights as an excuse to campaign against it.

would not cooperate with each other voluntarily.