the best definition for empire is an area or political unit in which formerly independent states are under the control of one ruler. Hope it helped
The correct answer is (D.) Romans
Answer:
1868 years
Explanation:
The Persians lost against the Greeks in 479 BCE (which stands for Before Common Era or Before Christ). On the other hand, the Serbs were conquered by the Turks in 1389 CE (Common, modern Era).