Riots over scarcity of food erupt in Petrograd
From what I can gather it means he came to a poor place and he left it rich
A--needing a place for steamships to refuel: the push came from the need for a modern navy to support the economic interests in Asia.
Alfred Mahan's book on sea power convinced the US government a modern navy was needed. To create a large fleet, the US needed ports on islands throughout the Pacific to refuel and rest ships. These parts were provided as trade deals, protection, or takeover of the land.
Tbh it's gonna be B idk dohhh