They were the Native Americans that greeted the pilgrims when they landed on Plymouth Rock
The Meiji Restoration saw the modernization of Japan through the acceptance of western ideas.
Checks and balances help balance the U.S. government power (the three branches). Each branch's powers are kept in check by the powers given to the other two branches.
WW2 took place on 1st September 1939 AD and ended on 12th September 1945 AD