it doesn't ha ha ha......................................
canada
which of the following groups first came to canada to help build the railroads?
There is no such nation-state as "Southern Canada."
That the railroads connected towns to towns, overal connecting states to states, causing them to rely on each other.
I believe it was Scotland, but don't rely on my answer because I am not sure.
For the US, it was the Civil War (1861-1865).
petersburg
That's the hub for the Norfolk & Southern.
Antarctica is a continent and doesn't rely per se on the Southern Ocean, though the ocean does surround the continent.
yes they do, they also rely on tourism from Canada.
Railroads
Only the southern part of Canada, most notably Southern Ontario, is.