The answer which you are searching for is number 2) the legal obligation to pay debts.
Well if the whole world's population grew, it probably went to 25 mil because this is the WHOLE WORLD we're talking about
<span>A legal document from ancient Babylonia (in modern-day Iraq), contained the first known death penalty laws. Under the code, written in the 1700s B.C., twenty-five crimes were punishable by death. These crimes included adultery (cheating on a wife or husband) and helping slaves escape. Murder was not one of the twenty-five crimes.</span>
During the American Revolution, blacks fought on the North Side of the war because they wanted to be free. The North was for freedom of slaves and the South opposed that.
