No. Though it is geographically closer to North America than it is to Europe, Iceland is considered part of Europe. It marks the border between the North American and Eurasian tectonic plates.
Depending on how far North you want to go. Starting from the top, there's the Arctic Circle, Canada, Greenland (sometimes considered part of the European/Russian area), Alaska, and parts of the...
No. Not really. Geographically, tectonically, about half of the Icelandic mainland is, indeed on the North American plate, but the idea of a continent developed long before anyone heard of tectonic...
British North America was:
Province of Nova Scotia (1713-1867) Colony of Cape Breton Island (1784-1821) Province of New Brunswick (1784-1867) Province of Quebec (1763-1791) Province of Upper Canada...