<span>It was a Portuguese explorer named Vasco de Gama</span>
Answer:
He was a leader of the abolitionist movement
Explanation:
He escaped from slavery and eventually became a national leader of the abolitionist movement, becoming famous with his antislavery writings.
Answer:
Specialized workers, complex institutions, record keeping, advanced technology, and advanced cities.
Explanation:
Yes and that the sun revolved around it