One can be gunpowder that was borrowed from China, which includes things like fireworks. Another can be numbers that were borrowed from Arabic and Hindu cultures, the basic system of 0-9. There were many more but these are quite common and have been around for a long time.
End of Roman monarchy and the establishment of the Republic.
They preferred to live in an urban area because economy was being coming better and better
In a British Colony it was the Governor General with powers vested in them by monarch (king or queen)
