What was true of kennedy's presidency? apex?

John F. Kennedy is a democrat. 1961-1963, He is an Opponent Richard Nixon. First TV President, young and handsome. First use of televised debates between major candidates. Led nation through Cuban Missile Crisis. He was assassinated at end of presidency.

In apex it's "his domestic concerns largely took a backseat to foreign policy issues "

explanation:

an oligopoly is a term used to clarify the structure of a particular market, industry, or organization. a market is considered oligopolistic or amazingly focused when it is shared between a few companies.