Many people during this time, including Washington, felt that slavery was justified because the slaves in America were previously slaves in Africa, and were treated more poorly by their African masters than they were by their American masters. This was of course heavily refuted.
Answer:
At his death eleven years later, Alexander ruled the largest empire of the ancient world. His victory at the battle of Gaugamela on the Persian plains was a decisive conquest that insured the defeat of his Persian rival King Darius III.
Cars became popular in 20th century. I think this is the right answer.