Glacial melt water from the last ice age.
The Great Lakes
The Great Lakes
Some, but not all of Canada's Provinces are divided by the Great Lakes.
The Great Lakes have contributed to the development of both the US and Canada by probably being the port that has given us the supplies we need to make the US and Canada.
the lakes and rivers form together and make rivers and lakes and that is what form the fjords
The Great Lakes do form a section of the border between the US and Canada, as does a short stretch of the Saint Lawrence River. However, a longer stretch of the river is wholly in Canadian territory, and one of the Great Lakes (Michigan) is entirely in US territory.
glaciers
Great Lakes
That is the Great Lakes
Great Lakes
they let transportation from the us to Canada or canada to the us much easier.
lakes and rivers