Please help its really easy!! "To make sure they would have eternal life, pharaohs built fabulous tombs for themselves."

Which part of this is a fact?

Which part of this statement is an opinion?

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.

option a

explanation:

to cleberate the end of their war