Why did the Axis Powers sweep through the Soviet Union in the initial phase of the attack

What is the purpose of the system of checks and balances

John locke believed that: a. governments must remain strong enough to keep from being overthrown. b. governments must serve and protect their people. c. authority should be in the hands of a strong leader. d. church teachings should be used to decide what is right and wrong.

Ahistorian is awarded a grant to study the effects of industrial air pollution in sugurcane farms in brazil. his research will focus on which major historical theme?