In three to four sentences identify who was responsible for spreading Greek, or Hellenistic, culture and language throughout the world. How did this person accomplish this?

Alexander the Great.

Explanation:  Alexander had built an empire that stretched from Greece all the way to India. That brief but thorough empire-building campaign changed the world: It spread Greek ideas and culture from the Eastern Mediterranean to Asia. Historians call this era the “Hellenistic period.” Despite its relatively short life span, however, the cultural and intellectual life of the Hellenistic period has been influencing readers, writers, artists and scientists ever since.

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.