Best Answer: It existed for the same reason it has existed for the entirety of human history. It's more economically advantageous to simply force people to work ...
The remarkable discovery was made by 12-year-old BridgeAnne dâAvignon, of Salinas, California, who created a ground-breaking family tree that connected 42 of 43 U.S. presidents to one common, and rather unexpected, ancestor: King John of England.he only former commander-in-chief not linked to King John is the eighth president, Martin Van Buren, who had Dutch roots. The teen also found out that she is the 18th cousin of President Obama.
Two American presidents also descended from the Hanson family, Henry William Harrison, the ninth President of the United States, and his grandson, Benjamin Harrison, the 23rd President of the United States. Before becoming President, Hanson and his family were one of the most influential in Maryland.