The answer is D. I've done some research.
Explanation:
After the American attack on Guánica during the Spanish-American War, Spain surrender Puerto Rico (along with the Philippines and Guam). They were then given over to the United States under the Treaty of Paris signed December 10, 1898
Answer:
because --
Africans began to arrive in the colonies.
Explanation:
indentured servants began demanding higher “freedom dues.” the need for a steady supply of low-cost labor increased.
Answer:
As demographic changes began occurring, people became more aware of the importance of this new area as it was growing rapidly and natural resources were abundant.
Due to the new metal and iron, this area was now armed with weapons.
These groups eventually moved to southeastern Europe, the Aegean, the Mediterranean, and southwest Asia. These migrations took over the weaker populations such as the Egyptians and Minoans.
Natural changes like droughts and dust storms forced the Zhou people to settle on the edges and eventually they lost their dynasty.