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.
Select two people in your family and figure out the most recent direct ancestor they have in common. For example, if you chose yourself and a first cousin, you would have a grandparent in common. Look at the top row of the chart (in blue) and find the first person's relationship to the common ancestor. Look at the far left column of the chart (in blue) and find the second person's relationship to the common ancestor.