They mainly functioned at tombs.
C. Each city-state had its own form of government.
Explanation:
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.
Before the 1800s, builders used cast iron. But they found that structural steel beams set in concrete allowed them to frame tall buildings that were more fire resistant and more structurally sound than cast iron. Since that time, steel has not only become the best building material for commercial construction but closely tied to economic health.
