I’m pretty sure the answer is A
B: All Native Americans had been removed from the western frontier :) Hope that helped
I would say trading cities became more important
Answer: Igbo-Ukwu is notable for three archaeological sites, where excavations have found bronze artifacts from a highly sophisticated bronze metal-working culture dating to 9th century AD, centuries before other known bronzes of the region. Later, these were excavated as well.
Explanation:
