Why did the colony of New France settle on the St Lawrence river?

The colony of New France settled on the St. Lawrence River primarily due to its strategic location for trade and transportation. The river provided a vital waterway that facilitated access to the interior of North America, allowing for the movement of goods and resources. Additionally, the fertile land along the river supported agriculture, and the abundant fish and wildlife offered sustenance for the settlers. The river also served as a natural defense against potential invasions, making it an ideal site for establishing a colony.