Control of government by the rich
How can these common ailments of nervous system be prevented?"
Andrew Jackson was the first president to be strongly criticized for this practice and so was the first to be pressed to actively defend it. He was the first President who not a member of the Eastern establishment and so he did considerably more "house cleaning" than his predecessors had done.
The closed system prevented the flys in.
The only people who would want to defend the feudal system would be the rich and powerful.
Poliomyelytis
immune system
defend other creatures
Andrew Jackson started the 'spoil system' with his cabinet.
Andrew Jackson called his system of political beliefs and practices "Jacksonian Democracy."
Andrew Jackson was the one who invented the "Spoiles System"
heliocentric
Mac OS 9 was prevented from Y2K in case it did happen