The sumerians were a people who made up one of the world's first civilizations. they are usually credited with being the first to develop one of the earliest known forms of

well this is going to be a long answer lol ok so the visigoths were a branch of the goths who frequently raided rome, uh the hunas attacked the guptas a lot and weakened them, uuhm of course the romans used math and science in there every day lives i mean they had a whole empire to run, and rome was split into east and west by a general named diocletian. hope this you! : )

ayatollah khomeini can best be described as the leader who declared iran to be an islamic republic.