Germany sinking the Lusitania that was carrying many Americans passengers.
The answer is F because Barack Obama was the first black president of the United States
Answer:
The answer is below
Explanation:
1. Neolithic age often referred to as the Stone age existed between 10,000 BC to 3,000 BC
2. Farming begins in Southwest Asia around 8,000 BC
3. River Valley civilization started in Mesopotamia around 4,000 BC
4. Bronze age existed between 3,000 BC to 1,200 BC
Four characteristics shared by early river valley civilizations are:
1. Hereditary rulers
2. Organized political states
3. Irrigation
4. Polytheism
