The declaration of independence had reflected the social
contract theory of John Locke in a way that it provides an individual living in
a nature state of which declaration of independence is as it provides freedom
and rights to every person.
The answer is Thomas Edison.
During the nineteenth century, Factory workers had it quite hard. The conditions were unbearable and are very dangerous. With dangerous vapor zooming around filling their lungs with dangerous chemicals. The eqiupment was most of the time dangerous and broken, which usally led to deaths.
The feudal system was just like an ecosystem - without one level, the entire system would fall apart. The hierarchies were formed up of 4 main parts: Monarchs, Lords/Ladies (Nobles), Knights, and Peasants/Serfs. Each of the levels depended on each other on their everyday lives.