Karl marx argued that all parts of society have a function in the overall social order: true or false

That statement is false

This argument was most likely made by Functionalism supporters, such as a well known sociologist name emile durkheim . Karl Marx was a supporter of communism ideology and argued for an Utopian society that  should have no hierarchical order and basically similar functions.

i don't get what you mean

explanation:

it provided for selection of government employees through competitive examinations. it also made it unlawful to fire or demote covered employees for political reasons or to require them to give political service or payment, and it set up a civil service commission to enforce the law.

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