You know you can search up our population (which I'm guessing is the U.S.) and find Canada's population, then subtract Canada's population from our population (you can use a calculator if your teacher allows)
I don't want to give the answer because I really don't know, but this is just a way on how you can find out the answer.
hope this helps :)
They had been hunting mammoths. They had followed them from Asia to North America.
NAFTA was signed on 17th December 1992 by all three members (Mexico, US, Canada) in their respective capitals and it came to power on January 1, 1994.