Question

What two purposes did the St. Lawrence River serve?
trading routes
access to the Atlantic Ocean
a home for Richelieu
a territory for the Choctaw

Answer 1

First two cause the river wasn't a territory for the Choctaw and Richelieu didn't live on the river ... he lived in France

Answer 2

Following are the two  purposes did the St. Lawrence River serve

1. trading routes
2. access to the Atlantic Ocean

Overview

The St. Lawrence River is a  river in the mid latitudes of North America. It flows from Lake Ontario in a roughly northeasterly direction into the Gulf of St. Lawrence, connecting the Great Lakes to the North Atlantic Ocean and forming the primary drainage outflow of the Great Lakes Basin.

What is primary drainage?

A primary drainage system consists of a network of lateral drains that carry water to a main drain or outfall and away from the playing surface. Primary drainage systems also form the infrastructure for any subsequent secondary systems.

What is Great Lakes Basin?

The Great Lakes basin encompasses large parts of two nations, the United States and Canada.

What is special about the St. Lawrence River?

The St. Lawrence River and Seaway is of vital geographic and economic importance to the Great Lakes system, connecting the lakes to the Atlantic Ocean and providing navigation to deep-draft ocean vessels.

What states does the St. Lawrence River run through?

The basin covers parts of Ontario and Quebec in Canada, parts of Minnesota, Wisconsin, Illinois, Indiana, Ohio, Pennsylvania, New York, Vermont, and nearly the entirety of the state of Michigan in the United States.

Why is the St. Lawrence River Brown?

The St. Lawrence River, at Cornwall Ontario, has accumulated sediment contaminants, mainly mercury (Hg) and polychlorinated biphenyls (PCBs), from industrial point sources over many years.

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