Which of the following was part of the legacy of Alexander the Great?

Alexander the Great was the ruler of Macedonia between 336 - 323 B. C before he later became the King of Persia. He was a great man with a large interest in the military. He fought so many wars and conquered territories (Persia, Asian Minor, Egypt, etc.).

He is known for his drive towards building western civilization. Alexander the Great impacted the world at that time with the Greeks' way of life scientifically. He is acknowledged today because of his steps towards ensuring equality and unity among territories. As a war strategist, many acknowledged Alexander's intelligence in the area of war. He knew what strings to pull and not to pull. The likes of Frederick, Caesar, Napoleon, and Hannibal appreciated Alexander's military tactics and tried to apply the same to also achieve great heights.

Alexander's legacy is reflected in cultural diversity. According to history, he is known as the most influential ruler.