In north american cultures a potlatch can be best described as

Giving gifts

Explanation:

A potlatch is a gift-giving feast exercised by the autochthonous people of the Pacific Northwest Coast of Canada and the United States. It is their chief economic system. This is a form of competing for exchange in which bartenders show their property and influence by providing away goods; they become a social weaponry.

answer; i believe the correct answer is (federalist);

i only have part a but here is the first one: - lewis and clark are born

- lewis marries sacajawea and clark is jealous  

- clark drowns lewis and then goes to jail