Gunpowder was invented somewhere around 900 in China.
Well, that's basically it... :P
C is the answer
There were 5 border states. Each one had slaves, but didn't secede during the civil war.
The Cold war was a series of Proxy Wars, The Cold war began shortly after the end of World War 2, since Germany was overthrown the only superpowers left were U.S and Soviet Union (Present day Russia) They differences were that Soviet Union was a communist country and the U.S was a Captialist country, they both came very very close to Nuclear War since they both were making Nuclear Bombs, they also had Proxy Wars (Wars that were fought between 2 countries but not on their soil) Korean War, Vietnam, Grenada etc, the Soviet Union fell in 1991.
<span>-The Maya established city-states, united by a common culture but not unified by a common political or military system.
-Their achievements were artistic, agricultural, and architectural.
-The Toltecs were less influential culturally, but more influential in the areas of politics and the military.
-They were more politically homogeneous, were under centralized rule, and expanded their control through military conquest.</span>
