People come together and agree to cooperate for social benefits, for example by sacrificing some individual freedom for state protection.
A should be the answer or D
D.
Explanation:
[Declining interest in nationalism
i hope it helps❤️
One reason could be because of communism. as countries becoming more and more poor because of WW2 they turned to communism, or dictators (people who promised better life). Cuba, Korea, and many others have fallen to this state. the US was very concerned about themselves and other's because the spread of Communism.
