Explain as to what "psychological" means.

don't give links as answers, thanks.

1. of, affecting, or arising in the mind; related to the mental and emotional state of a person.

2.relating to psychology.

3. (of an ailment or problem) having a mental rather than a physical cause.

the answer is

a) revise existing treaties

b) do away with political alliances

c) prevent the spread of communism

d) bring an end to european colonization

the main goal of the southeast asia treaty organization was to prevent the spread of communism in southeast asia.

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