Camus said that the individual’s search for the meaning of life should lead to a path of action.
The action he is talking about is referring to the revolt against tyranny, irrationality, and absurdity. According to this French writer and thinker, a man has to take action against anything absurd and things that make no sense, when it comes to both their personal life, and the life of the community they are living in.
I'm pretty sure the first sentence? Everything else sounds a tad opinionated.
The option that most effectively completes the sentence is “allowing world nations freedom of choice, within reason, promotes peace”. According to John Kennedy in his speech delivered at the American University, nations (in this case he refers to the Soviet Union) should not try to impose rules on other nations as this interferes with the process of peace and creates tension.