History of North America

In the early exploration of North America all following rivers were important except St. Lawrence Hudson Mississippi Arkansas?

All of the rivers mentioned were important in the early exploration of North America.

The St. Lawrence River was a major route for French explorers to reach the interior of the continent.

The Hudson River was important for Dutch and English exploration and settlement.

The Mississippi River was a major route for French and Spanish explorers to reach the western part of the continent.

The Arkansas River was also an important route for French and Spanish explorers.