How did Hammurabi improve the economy of the Babylonian Empire? He created new trade routes.
He created canals to trade on the rivers.
He required conquered people to pay tribute.
He spent tax money to expand construction projects.

necessary and proper clause. the congress shall have power to all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states, or in any department or officer thereof.

the romans were initially interested in expansion via sicily (which at that time was a cultural melting pot), part of which lay under carthaginian control. at the start of the first punic war (264-241 bc), carthage was the dominant power of the western mediterranean, with an extensive maritime empire