1) The words "potty" and the phrase "potty trained" originate from what custom?

2)Another toilet-related qn.
Standing while urinating is now viewed by many as too sexist. In Germany, if a man raises the seat of a regular toilet to piss, the “toilet ghost” , in a voice that imitates ___________ enunciates the phrase “Hey, stand peeing is not allowed here and you will be punished with fines, so if you don’t want any trouble, you’d best sit down”

3) Arthur Milton was the last survivor of 12 people to have done what for England?

4)The world of warcraft version in which country places flesh on bare-boned skeletons and transforms dead character corpses into neat graves in an attempt to "promote a healthy and harmonious online game environment

5)An AOE question. The introduction to which civilisation begins like this - "A male wolf took as his mate a female doe and moved to the head of the Onon river. And thus were born the ______"