A in some countries citizens have the right to vote but choose not to
This was a quote after WWI, the "war to end all wars". At the end of the war, Germany was basically blamed for the war in the Treaty of Versailles. They had to pay an immense amount of money to the other countries. In WWII, Germany got its "revenge".
Success in trade always deals with advertisement. In this case, the spread of Islam help distribute it's teachings and beliefs making more people contribute to trade.
