Be at least 18 years old at the time of filing Form N-400, Application for Naturalization.Be a permanent resident (have a “Green Card”) for at least 5 years.Show that you have lived for at least 3 months in the state or USCIS district where you apply.
Leonidas' decision to disobey the Council and march forward to the Hot Gates and vanquish the Persian army was founded in his determination not to surrender Sparta to Xerxes. When he presented his battle plan to the council and was given no as an answer. Despite his anger he doesn't want to disobey the Ephors, his wife persuades him to rethink his strategy and take 300 soldiers as his personal guard to battle along with the Greeks at the Hot Gates and reduce the Persian's army military capacity.
The correct answer is the Influenza Pandemic.
This Influenza (flu) Pandemic killed between 20 and 100 million people (estimates differ) - more than the war itself!
The source of the Pandemic is still not known, and people suggest such places as the US, China and France.
As far as social class, the King had the greatest amount of power in Europe, Nobles came second.