Answer:1763-1931
Explanation:This might be a purely semantic point, but the British didn’t invade Canada because “Canada” didn’t exist at the time. The lands they won from the French, who also didn’t invade Canada for he same reason, became Canada because the British (mostly) made it what it is today.
As for their reasons for coming here, filthy lucre is the most common motivator of the human race, and the British were no exception. They saw an opportunity to make money from the plentiful resources and they took it because they could.
It’s the same reason, though their methods were much more barbaric, that the Spanish conquered South, Central and the Southern bit of North America: goldlust. (and tobacco, furs, exotic plants [such as indigenous spices] and anything else they considered of value.