The Anti-Federalists favored strong state governments because states had led the American people to victory in the American Revolution.
all of the states had already passed bills of rights.
they believed that was the best way to protect people’s liberty
they believed states would more strongly resist an attempted takeover by Great Britain.

d. i assume the underlined word is "role." reformat if it isn't.

explanation:

role is closest to part because when replacing words, "playing a vital decision," "playing a vital activity," and "playing a vital dollar" don't make logical sense. the only meaningful choice is "playing a vital part."

this fits one of merriam-webster's definitions of role: "a function or part performed especially in a particular operation or process."

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