An age-old law of economies is that those who owe money become indebted to those who loan the money. It is one of the reasons that early Christians were not supposed to borrow and loan. So that no man would be the master of another. It did not take long for them to find a loophole in that though. The Jews became the bankers of Europe and amassed fortunes that brought the envy of mankind. That worked out badly for them whenever Europe decided to take back its wealth. The Crusades. World War II. The Great Depressions. History is full of times in which the bankers and especially the Jewish bankers did not fare well. Of course there were always winners in even the worst of those times, and the best of them built fortunes that would last for millennia.