Answer:
City-state, a political system consisting of an independent city having sovereignty over contiguous territory and serving as a centre and leader of political, economic, and cultural life.
(I don't know how it spreaded though, sorry :<)
Answer:
"The two countries made up a confederation for mutual safety."
Explanation:
meaning of confederation: an organization which consists of a number of parties or groups united in an alliance or league.
Answer:
Under the Articles of Confederation, states caused economic chaos by making independent trade agreements with foreign countries, so the Constitution gave the federal government the power to regulate trade and foreign policy.
