Answer:
The society of Ancient Sparta was divided into three main classes. At the top of society were Spartiate. Following the Spartiate were the perioeci and at the bottom, were the helots.
Explanation:
the correct option to this question are
the catholic church unified different kingdoms of Europe under the umbrella of the church. An example is when the church crowned kings as emperors of the holy catholic empire.
the catholic church intervened and settled disputes between rival kings and lords. whenever, there were disputes the king was always at the forefront to handle and resolve disputes.
Historians believe the battle of Fort Sumter started the Civil War. I hope that helps. :)
Economic sanctions directly impact the economy of the subjects country. Therefore a trade ban would be an economic sanction. 1 and 4 would be damaging to diplomatic relations but not the economy and 3 is military intervention which is not solely an economic action.