The graph would represent that system would look like this (see the attachment):
Alexander the Great is important because by the age of thirty he had created one of the largest empires in ancient history. He was the ancient ruler of Macedonia, what is now north eastern Greece and as ruler he conquered most of the civilized world, from Greece to Egypt, Persia and India. He is known as one of the greatest commanders of all time and was undefeated in battle.
Two years later, Barbara Jordan was asked to deliver a keynote address at the Democratic National Convention in 1976.
Barbara Jordan was an American lawyer, educator and politician. She was also a leader of the Civil Rights Movement. She achieved international fame for her brillant speech during the impeachment process of President Richard Nixon.
Called the 'gentlelady from Texas', Barbara Jordan spoke on the evening of July, 12, 1976 at Madison Square Garden in New York City. She delivered the most significant speech of the Convention. It provided the economical statement of the Democratic Party's philosophy and a vivid reflection of the mood in post-Watergate America. Her speech also illustrated the character, quality and potential of the black female as a national political figure. She was acclaimed for her warmth, integrity, eloquence and her confidence in creating a united, strong and fair country.
This event is called A-The Long March. Great Leap Forward was a program that Mao introduced once he was Chairman. Trail of Tears was in the US and that was the forced march of Native Americans.