Which of the following statements are true about the actions jfk took in regard to vietnam? a. jfk sent american diplomats into vietnam to study communism. b. in the early 1960s, most americans opposed fighting communism. c. jfk sent vice president johnson on a fact-finding trip to vietnam. d. by 1963, we had 11,000 military advisers in vietnam. e. by 1963, the u. s. was spending $1.5 million a day to support the vietnam war.