The system of government by privileged citizens or the upper class is called an "aristocracy," with the leaders in question usually having the most money of anyone in the society as well.
The seven oh seven or aka 707 was a military plane used to transport goods and troops to any battles short distance of course because they didn't know how well the plane would do long distance til it became the first plane to carry 1,011 people across the pacific ocean and is now seen as commercial airplanes also as tanker planes. hope this helps!