History homework help

How might it be argued that the Greek polis was destined for Failure? Why has it been suggested that Athenian direct democracy was a “Brilliant” failure?
What happened after Alexander the Great’s death? Explain the three types of gov’t. that developed after his death.
Each answer should be doubled-spaced and at least one page in length . Also, you only need a 1 1/2 inch margin at the top.