I believe it is horizontal and vertical integration.
Answer:
The Persian Empire was an empire that stretched from India to Europe from 550 B.C.E. to 331 B.C.E. It was ruled by a series of monarchs. An empire is defined as a geographically extensive set of states or peoples that are ruled either by a monarch or by an oligarchy, a small group of ruling elites.
Explanation:
The extension of voting rights to all men in the state
//p.s I already took the test and this question was right//
anyways, hope I helped :)
Answer:
because of textbooks and artifacts from the past that people have found.
