I'm pretty sure the answer is B but I'm not 100% sure
The canal developers studied the British Canal system to address some of the questions like how deep should the Erie Canal be, the materials needed to construct one, to know the desired width of the canal and how long will it take them to construct the whole Erie Canal.
a. How long will it take the canal to be constructed?
B. what are the things that they need when they construct the canal?
c What is the standard depth of the canal?
d. what is the standard width of the canal?
The event that extended that war was the French stopping the Germans from advancing in the west.
