Pennsylvania, Delaware and New York. In California, your mileage may vary.
None. The US land mass is only 8 percent of the world land mass. Therefore over 90 percent of the world doesn't border it at all.
Yukon Territory and British Columbia both share borders with Alaska.
Yukon Territory not a province. It is, as its name suggests, a territory.
British Columbia and the Yukon Territory.
Yukon Territory borders Alaska.
Toronto is the capital city of the Canadian province of Ontario.
The teritory of Northern Teritorries.
British Columbia
Alaska
Yukon Territory.
The British Columbia is Canada's westermost province.
Northwest Territories is the only province with a town with knife in the name. It is the only province with the Mackenzie river emptying into the Arctic ocean, and it is also the only province with the Great Bear lake.
Tennessee borders eight other states.