One half of Canada's population lives in southern low land.
It is becoming increasing popular around the world and many of the countries have had civil wars over it.
The Bear Flag Revolt was a direct result of a yearning among United States citizens living in California to have their territory join the United States. The appearance in the territory by American army officer John C. Fremont spurred these citizens to rise up against Mexican rule.
Answer:
Declaration of Independence / That thing Nicholas Cage stole that one time.
Explanation: