Because they deliver goods we need to places around the inland of our country.
Canada and the USA are very large countries. Our resources and people are spread out over very large areas so we spend more on transportation than most other countries.
lakes and rivers
Because Canada is so much smaller than US.
The U.S. is canada's most important trade partner because we depend on them and they depend on us.
It is a requirement that US presidents be born in the US. So, no US presidents were born in Canada. Chester Arthur was born in Northern Vermont so close to the Canadian border that some people said he was actually born in Canada.
there are 6 major/ important ones but there are about 45
they let transportation from the us to Canada or canada to the us much easier.
Transportation to work is more convenient with vehicles.
so they are not cheep
The Great Lakes are important to the United States because it allows the transportation of cargo such as iron ore to travel by sea to the several States and Canada that border these lakes.
Because of the lack of other types of transportation (in the US and Canada at least) in other countries (russia, Finland, etc) they have railroad and most people use them for transportation also most roads aren't paved (or at least not well) so most people don't have cars in those countries...hopefully this is what you were asking...
akes and rivers
lakes and rivers
The ocean provides food, oil and transportation.
Sulphur foir the uskets and Metal for the muskets,those were the 2 biggest ones in the US in Canada it was wood and fish, In Britain it was anything to do with transportation.
In Canada instead of States we have provinces and territories. Our legal system is slightly different to the US in the respect of what the province has authority over, schooling, healthcare and transportation are three things they maintain.
Its important because it is a cancellation become a symbol for canadian nationalists aganist US influence in Canada
The U.S. can help protect Canada and Mexico from any other important countries. It is important to do this so that none of the countries get involved in a problem.