The ideas of greek reason since Alexander had Aristotle as a tutor who was taught by Pluto who on turn was a student of Socrates.
Germany is to blame for starting World War I because they were the first country to declare war before any other country. ... So overall Germany did not only start the war but they also influenced another country that was apart of their alliance (Austria-Hungary) to fight with another country (Serbia).
A lasting impact of European colonialism was the creation of artificial boundaries created by colonial rulers brought together and separated people arbitrarily. For example, if you look at the boundaries of the nations in Africa, you will notice that cultural groups were divided and combined within and by lines created by European powers.
No, states do not have the power to change the voting age.