It was before the era of railways hence waterways were critical factor. They determined the population centers access to trade. Examples rivers (New Orleans, Cincinnati), Great Lakes (Chicago, Detroit), canals (Milwaukee) and obviously sea port cities (New York)
D
Explanation:
it makes the most sense to me, but choose whatever you think is right.
Generally speaking, in order for a <span>president to be a successful leader he or she must have "all of the above qualities," although perhaps the most important is the first. </span>
