Which of these best summarizes the Monroe Doctrine? (1 point) Responses The immigration of Europeans to the United States must be discouraged. The immigration of Europeans to the United States must be discouraged. International peace can be maintained without complicated alliances. International peace can be maintained without complicated alliances. Further colonization of the Americas by European countries is prohibited. Further colonization of the Americas by European countries is prohibited. The power to nullify federal laws is necessary to preserve sovereignty.
