The European nations were able to dominate non-European areas because the had technology, had advanced weapons, and also the gunpowder technology.
By the 18th century, Europeans dominated the military technology of gunpowder weapons, which had enormous advantages for fighting war at a distance and conquering other parts of the world.
The separation of powers guards against tyranny by making unilateral action by any branch more difficult through checks and balances.
Answer:
Because it would cause citizens to freak out and cause a panic.
The fourth one which says Black codes and ku klux klan.
Because the Spanish conquistadors had better weapons and decease that that killed most of the Natives in the empire