Answer:
J. Further colonization of the Americas by European countries is prohibited.
It is actually lord Berkeley AND sir George Carteret
Edwin McMasters Stanton (December 19, 1814 – December 24, 1869) was an American lawyer and politician who served as Secretary of War under the Lincoln Administration during most of the American Civil War. Stanton's management helped organize the massive military resources of the North and guide the Union to victory.
This is describing the "containment" policy. This concept was developed by the US government to stop the spread of communism. Ultimately, the US followed this policy by aiding countries that were close to the Soviet Union.
A perfect example of this would be the Truman Doctrine. This law helped to give $400 million of financial aid to Greece and Turkey. These two countries were close to the Soviet Union and were possible targets where communism could spread.