boats...
The Mississippi River is the transportation artery that travels from north to south in the United States. It is one of the longest rivers in North America and a key transportation route for goods and commodities.
because they where a major source of transportation
The American Revolution
The railroads helped Europe and North America's trade enormously, providing a quick and easy way of transportation for people and goods.
Toronto, Ottawa., Quebec City, New York and Boston have transportation links to Montreal.
took the bus they walked on land and used canoe to go on water
Transportation technology was not well-developed
there only transportation is canals !
Toronto, Ottawa., Quebec City, New York and Boston
Because they had to walk through all the seven continents with no known transportation
Chicago, Toronto, Thunder Bay, New York, Ottawa
There is a very good and lengthy wikipedia article that shows each and every railway station in North America. It also include other public transportation rails throughout the continent.