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.
Scientists find Luca, a single-cell, bacterium-like organism that is the common ancestor of all life on Earth. Scientists might have found the common ancestor that unites all life on Earth â and itâs called Luca. Our ultimate relative was a single-cell, bacterium-like organism known as Last Universal Common Ancestor or Luca.