British Spain established the world's largest empire.
It could possible be ironic and problematic because the rest of the world was technically already "discovered", but just not by the Europeans specifically.
Answer: he divided it into provinces and assigned satraps to govern them
he created an alliance with the city-states of Greece
he used military technology Persia learned from the Hyksos
he destroyed temples and made the religions of conquered people illegal
Explanation: He had to mainatin control over his empire by doing such actions
I believe it's A: capitalizing on the harsh post-war conditions in their countries.