What does the United States guarantee to every state in the nation?

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.

explanation:

is this question from a book? ?

this is a good question! i'll do some research and come back when i have the answer!