The Suez Canal between the Sinai Peninsula (Asia) and the rest of Egypt (Africa).
The ridgeline of the Darien Mountains, where water flows different directions on either side (the watershed boundary), and Colombia and Panama meet, is a common dividing line for the Americas.
B a higher cost of living because more people will cost
D that’s the answer that makes the most sense geographically
It would be "developing a strong commercial and industrial economy" that was a part of Alexander Hamilton’s plan for restructuring the nation’s debt, since Hamilton differed with people like Jefferson, who felt the US should be mostly agrarian.