How did the first streetcars move?

Streetcar, also called tram or trolley, vehicle that runs on track laid in the streets, operated usually in single units and usually driven by electric motor. Early streetcars were either horse-drawn or depended for power on storage batteries that were expensive and inefficient.

Explanation:

in 550 b.c.e. cyrus the great, the leader of the persians, conquered the medes and united the iranian people under one ruler for the first time. cyrus became the first king of the persian empire and went on to establish one of the largest empires in world.

oil! is what i am assuming