The best choice would be Escaping
I believe it was guerrilla warfare.
The correct answer is A. A widening gap between the rich and poor. This is the correct answer because the was a huge social disaster, and it divided people of social class. They basically split them into either the poor or the rich. So there was a huge gap.
For one, Canada is a constitutional monarchy, while United States is a kind of democracy called republic. The president and the prime minister are different too, since the latter doesn't really have a term limit. Canada is founded on the consolidation of power whereas America was founded on the principle of division of powers.