Answer:
I'll will say it could be 3 or 4
Answer:
Neolithic Revolution
Explanation:
Writing (Cuneiform script / 3200 B.C.)
Iron Weapon (aprox. 3000 B.C.)
Neolithic Revolution (Started around 10,000 B.C.)
The first cities (Mesopotamian cities / around 7500 BC)
Problably grey and green. Grey for the importance of politics and green for the happiness social studies gives you.
