One of the most significant <span>factors that led to the development of civilizations in ancient Mesopotamia were the Tigris and Euphrates rivers--since these rivers provided crucial irrigation for crop development. </span>
Answer:
The attack on the Pearl Harbor Naval Base by Japan.
Explanation:
After Japan launched their offence on Pearl Harbor, the United States became involved in the war. Before this, we were neutral and didn't want to be involved in the conflict. It was an act of pride by the young men who had enlisted.
The man being described here is Prince Henry the Navigator. Prince Henry was a Portuguese man who helped spark the age of exploration. He is known for his several contributions to this era, including:
1) Opening of a school for navigation in Sagres, Portugal.
2) Mapping the west coast of Africa.
3) Laid the foundation for individuals like Christopher Columbus, Vasco Da Gama, and John Cabot.
The answer is C) <span>The Spaniards brought in additional troops from Spain to outnumber the Pueblos. </span>