The historical skill of corroboration involves

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

d the wampanoag the pilgrims because the pilgrims protected them from their native americans foes.

silk

indigo  

rice

all the other answers are wrong

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,