Which of the following are true of the Northwest Coast tribes? known as mound builders
held ceremonial potlatches
had abundant supply of seafood
carved totem poles; wood craftsmen

i think it was because of how protected egyptian civilization was was which allowed them to evolve without much outside influence.

the answer is flapper.

branliest and you.

with my recent question

according to my research (britannica and quizlet) the first settlements were along the huang river because it could give the crops more fertile soil that really it out. this was due to the yellow slit caused by floods of the river.