The authors of NSC-68 rejected a renewal of U.S. isolationism, fearing that this would lead to the Soviet domination of Eurasia, and leave the United States marooned on the Western Hemisphere, cut off from the allies and resources it needed to fend off further Soviet encroachments.
Brazil was by far Portugal's largest colony by area and population. Brazil was reached by the Portuguese in 1500. Due to the Treaty of Tordesillas in 1494, Portugal was allowed to colonize Brazil.
Brazil was an exploitation colony of Portugal from 1500, when it was discovered, up until 1808 approximately, which means that first Brazilian redwood (which was the color of ember, brasa in Portuguese, thus the name Brasil), then sugar cane and later coffee were grown and shipped away to Europe.