I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
45: Mayflower Compact: first document to establish self-government in the American colonies.
The answers totally B, dude
Answer:
The civil rights movement (also known as the American civil rights movement and other terms) in the United States was a decades-long struggle with the goal of enforcing constitutional and legal rights for African Americans that white Americans already enjoyed.
Answer:
Battle of Marathon, (September 490 bce), in the Greco-Persian Wars, decisive battle fought on the Marathon plain of northeastern Attica in which the Athenians, in a single afternoon, repulsed the first Persian invasion of Greece.
Explanation:
