Greater range of natural hazards than any other country in the world marks the natural environment of <span>a. the united states. I think like that because of it's various environment.</span>
Manchuria is the answer because the Japanese invaded on 1931
Social scientists study people. For example: Anthropologists study human evolution and their culture. Physcholgists study people and the working of their mind!
They would know the grounds better and have a better advantage.
Answer:
California Gold Rush in the mid 19th - Century.