<span><u><em>Answer:</em></u>
C. Each city-state had its own form of government.
<u><em>Explanation:</em></u>
The city-states acted as sovereign units running their own government systems. There were basically four types of governments found in Greek city-states.
They used monarchy, a government with a king/queen and uses heredity, oligarchy, a government with a few in charge, democracy, where all citizens had a voice and a vote, and lastly tyranny, where the government is ruled with an iron fist with one leader having all control. </span>
The three goals of the United Nations were and are to promtoe human rights, to force nations to comply to international standards and to increase the standard of living for all people. All of these goals have been met with mixed success. While somehave been more effective, others have not.
The Soviet Union became a democratic state.