How does the geographic location of New York state make it a natural link for trade between New England, and the other states of Ohio, Pennsylvania, or Michigan?

"The Erie Canal was first opened in 1825. It was significant because it connected Lake Erie and the Great Lakes system to the Hudson River, and thereby gave the western states direct access to the Atlantic Ocean without shipping goods downstream on the Mississippi River to New Orleans."

Explanation:

in 1897, pershing became a tactical officer at west point, and that's where he was given the nickname "black jack." pershing's first name is "john," for which "jack" is a nickname, and he was a white man who commanded black troops. hence "black jack".