He studied the fossils' age and how tall the mountains are. He also studied how old they are. I don't know about Coal Beds but he also used balloons to find out the continents were once a big supercontinent called Pangaea and they apparantly drifted apart
Elections
Explanation: the soviets has their hands in nearly every Eastern European election so that the leaders would be communists that would bring their countries into communism along with the Soviet Union
Answer:
Broadly speaking, Orthodox historians attribute the outbreak of the Cold War to Joseph Stalin and the Soviet Union. They argue that the Soviet regime initiated the Cold War by seeking to expand and exert control over Europe and Asia.
Russia realized that a balance needed to be maintained
despite its opposition to democracy.
China during the early days wanted to pursue a more aggressive policy
against democracy. Later on, this led to
a split between the Russians and the Chinese.
Ironically, to protect itself the Chinese opened relations with the
United States when Nixon went to China.
Later on, China though communist started economic reforms that were
capitalists in nature. The USSR later
collapse and Russia became a democratic country and adopted capitalist reforms.
Don't quote me on this but i think its B) Central Asia
