Which function is performed by both state and federal governments?

Is it to enforce the law?

Explanation:

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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the correct answer is :

{b.}   ( american workers lose job opportunities )

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    -sprinkles