Given how Liberal most of Canada is, do the majority of American people want 5-10 more Democrats in the House and two more Democrat Senators?

Leave Canada alone.

Dear Canada, Deport all your pajeets and chinks. When you're done with that, we can meet at the Tim Hortons of your choice and discuss terms.

The US is already the most powerful country on earth.

I don't know, US is already married to isreal, wouldn't that be cheating?

Would it mean an end to sending them billions of dollars?

Right. All the hey dere jeets and pet eaters will make awesome norf amerikins.