What were the major consequences of Alexander’s death?

QUESTION 1:What were the major consequences of Alexander’s death? Why did his empire fail to maintain political unity? Assess the achievement of Alexander. Was he a conscious promoter of Western Civilization or just an egomaniac, drunk with the lust of conquest? Explain? How would the world be different had Alexander never lived or had he set out to conquer the West instead of the East? Give specific examples to support your stance and be sure to provide the relevant facts and, as always, citations for your answer, including page numbers.