What were three ways that europeans created wealth?

What was the importance of The Triumph of the Will? What were slaves from the south who settled in the west called? What did the Romans call Africa? How did Otto von Bismarck bring about the crowning of King William of Prussia as Kaiser of the second Reich? Who was the founder of Gregorian chants? The rebirth of trade in the late middle ages began in? What was true about the west in the period after the civil war? When was the first wrist chronograph invented? What is the difference between our clothes and the Victorian clothes? How did the western cordillera begin to form? Who led the Visigoths during the attack of Rome in 410 AD? What was promised to the Crusaders? What was the port of rome called and how did the incoming goods get from the port to the city itself? What were two ways the crusades affect Europe? Why was Henry cort important? What does Micheal wood mean when he says it was a rejection of a whole way of understanding history? If you start your period in the middle like two weeks into the pack of birth control pills when you get off can you start where you ended on the same pack? How was life like in medieval villages? Who are the mongols? An area of a country located away from the capital?