One advantage that Europeans had over Africans during the slave trade was... A.
electricity.
B.
advanced ships and weapons.
C.
raw natural resources.
D.
a large population.

b

Explanation:

Makes sense

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.