In July of 1962, the United States found out the the Soviet Union had begun to ship missiles to Cuba. By October 14, there was a report that a ballistic missile on a launching site was seen. President Kennedy announced that on October 22, the United States would create a blockade around Cuba in order to prevent more missiles from entering the island. Other countries inside the blockade zone were Jamaica, Haiti, Dominican Republic, Bahama Islands and Puerto Rico. Read more on Brainly.com - brainly.com/question/9697473#readmore
Explanation: Jefferson was troubled over the Louisiana purchase because he was really uncertain about his authority in such matters and the constitution because it said absolutely nothing about the acquisition of the new territory.