Yes it is a trustworthy source
4. It affected the rights for African Americans to vote.
Are there options? If not, I believe you meant to write glib? If I am not mistaken a good definition would be fluent, smooth, easy and unconstrained. Hope this helps!
Answer:
The Bill of Rights is the first 10 Amendments to the Constitution. It spells out Americans' rights in relation to their government. It guarantees civil rights and liberties to the individual—like freedom of speech, press, and religion.