What aclomisments did JFK do before he became president?

Before becoming president, John F. Kennedy served as a U.S. Congressman and later as a Senator from Massachusetts. He gained recognition for his work on various issues, including labor and foreign policy, and was a key figure in the Senate during the early stages of the Cold War. Additionally, he authored the Pulitzer Prize-winning book "Profiles in Courage," which highlighted the moral dilemmas faced by U.S. Senators. His military service during World War II, where he commanded a PT boat, also contributed to his public image and political appeal.