A similarity between the separation of powers, the system of checks and balances, and federalism is that they all are meant to keep the federal government from becoming too powerful and tyrannical.
I would say that A is the correct answer.
the un was so angry at Germany and its allies for World War that it gave so many harsh punishments that some countries even regretted it.
In many ways the Columbian Exchange that occurred after Columbus landed in the New World was an early form of globalization in that it led to good and ideas to be spread over the world.