Did John F. Kennedy hold political office before he became President? which offices?

Need on these last 2 questions on my social studies homework 5 and 6 then i’m done with the homework

Sole i will mark brainlist to who answer

Lloyd’s of london was one of the first institutions to offer insurance to merchants and joint-trade companies. a major part of the insurance system involved people who agreed to take responsibility for the insured losses in return for a fee. what were these risk-takers known as? a. joint-stock companies b. investors c. underwriters d. merchants e. capitalists