Answer:
Fundamental-Of central importance. Necessary.
Example-Wearing a seatbelt is fundamental to safety on the road.
Democracy- A form of government in which power is held by the people.
Example-The ancient Greeks were known for their system system of democracy.
Pacification-An attempt to create or maintain peace.
Example- Despite the attempts at pacification with the other nations, war was inevitable.
Tyranny- The rule of a cruel and/or oppressive government.
Example-The Declaration of Independence was written to separate the American colonies from the tyranny of Britain at the time.