Why did so many empires form in the period from 1350 to 1650?

Why did the us government remove native americans from the southeast in the 1830s

Which statement best summarizes how interpreted in very strict terms government have changed over time

What do most climatologists see as a major cause of rising global temperatures? a. earth's closer proximity to the sun due to its gravitational pull b. greenhouse gases produced by burning fossil fuels c. rising ocean levels caused by melting polar ice sheets d. water pollution cause by industrial waste