They removed existing rulers from the conquered lands to ensure they had direct control of their enemies' trade routes. They forced all the people they conquered to trade directly with them, increasing their wealth from the sale of additional goods. They took all conquered people as prisoners and forced them to work as slaves on public works projects. The tribute demanded from conquered peoples provided warriors for defense, as well as food and resources for their own people.
It started at the end Of World War One and was originally known as Armistice Day
He was famous for discovering the real orbit of the planets and many others
The correct answer is A) In cities. Hope this helps.
I think it is a, correct me if im wrong