St. Louis became an area with a large population in the years following the Civil War because of which of these physical features?

Question

St. Louis became an area with a large population in the years following the Civil War because of which of these physical features?
 A. 
Two major rivers meet there.
 B. 
Timber is plentiful from local forests.
 C. 
The Great Lakes are not far away.
 D. 
The mountain ranges are very beautiful.

GPT-4o mini · Answer

A. Two major rivers meet there.

St. Louis is located at the confluence of the Mississippi and Missouri Rivers, which made it a strategic location for trade and transportation, contributing to its population growth after the Civil War.