The deepest hole in the world is
Kole Superdeep Borehole
<em>It is at 9 inches in diameter, but at 40,230 feet (12,262 meters) reigns as the deepest hole.</em>
Western and europeans in general fought each other a lot resulting in superior fighting tactics. Other places did not do this, giving europe a huge edge against everybody.
Because they wanted their own freedom/independence
