The American continents, by the free and independent condition which they have
assumed and maintain, are henceforth not to be considered as subjects for future
colonization by any European powers.
Which of these BEST summarizes President Monroe's message in the excerpt?
The immigration of Europeans to the United States must be discouraged.
International peace can be maintained without complicated alliances.
HThe power to nullify federal laws is necessary to preserve sovereignty.
Further colonization of the Americas by European countries is prohibited.