Answer:
Erie Canal Connects The Atlantic To Great Lakes, So It's C) Boats could move more quickly from the Atlantic Ocean to the Great Lakes
I know for sure the ganga and brahmaputra rivers do make up the northern plains, not sure about the yamuna. but since two do, then i would answer all of these
Geography because geography determines where you are in a area and its PERSPECTIVE
It is warmer and milder temperatures today, and back in the Ice Age it was colder and the summer seasons were much shorter.
