Explain the purpose and significance of the bill of rights. did these ten amendments significantly weaken the authority of the federal government, or actually enhance it

The answer is stated below.

Explanation:

Where federalists wanted to make the congress strong and revise the Article of Confederation, Anti federalist feared that a strong government would be oppressive like that of the British government and therefore the basic civil rights were threatened. Bill of Rights was the first ten Constitutional amendments to convenience states to adopt the Constitution and ensure that individual rights would be protected in the Constitution as well.

the us constitution is a living document, meaning that it can be changed over time as the country changes.