How do historians know about Aryan society?

What did the suffragettes and suffragists wanted? Would you believe what happened today? How many Americans died in the American civil war fighting for the confedercy? What did the seminole tribe eat? What has the author Gareth E Lee written? During the renaissance period what was an important invention? What did sargon's empire have in common with other mesopotamian city states? Who discovered the Justinian Code? If the US becomes embroiled in an ill-fated military conflict abroad what is most likely to be held accountable? Are there any living suvivers from World War 1? What do you call a group of officers? Where does the surname Michaels come from? What did Daniel O'Connell die of? How did the Hudson river school get its name? Why did the medieval church believe the earth was flat? Which of the following was not used during the shang dynasty to improve agriculture? What does the Chinese name La mean? Why did the Virginian settlement almost fail and how did the colonial southern economy begin to adapt to a race-based labor system? Where is Czestochowa? How did the Parthian Empire fall?