Who conquered the Persian Empire?

It depends what you mean by "The Persian Empire". There were many. Here is a list of some of the main ones: Median Empire(728-549 BCE)- Overthrown in 549 BCE by the leader of a new group arriving on the Iranian Plateau: Cyrus the Great Achaemenid Empire(549-330 BCE)- The world's first superpower and empire; Overthrown by Alexander the Great of Macedonia in 330 BCE Seleucid Empire(312-63 BCE)- Founded by a military general of Alexander the Great after his death.In this society, Greek was the language of law and profession Parthian Empire(247 BCE- 224 CE)- Formed after a Persian leader rebelled against the Greco-Seleucid government.

Fought many wars against the Roman Empire and managed to withstand nearly all attacks. Once this empire took the Roman emperor prisoner and skinned him alive, keeping his stuff body in the Royal Parthian Palace Sassanid Empire(224- 671 CE)- Founded after the Parthians were overthrown. This empire fought against Byzantine and was the last Zoroastrian Persian Empire.

This one ended when the Arab tribes of the Arabian Peninsula invaded and forced everybody to convert to Islam, although much of the time people were just pretending to be Muslim in order to not be executed After these 5 ancient empires, the Arab caliphates ruled Persia until roughly.

I cant really gove you an answer,but what I can give you is a way to a solution, that is you have to find the anglde that you relate to or peaks your interest. A good paper is one that people get drawn into because it reaches them ln some way.As for me WW11 to me, I think of the holocaust and the effect it had on the survivors, their families and those who stood by and did nothing until it was too late.