This building was once the location of gladiator contests.
notice that the shape and size of the colosseum is much
like a modern-day outdoor arena where people watch
football games.

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.

i also think it is c

by 1880, germany had more rail lines than great britain and russia.