I personally feel that most of the working citizens in America, today only work so they get payed and they have something to look forward to after they have retired from working their whole adult lives. It's nice to be treated every once in a while when you've done something great. It's even a possibility that a good hand full of people might even quit working just because they don't have something to look forward to. Maybe if they got payed more and put it away for a rainy day they might not complain, but there is always a chance.
Slavery was fought over because president Abraham Lincoln wanted to unite the Union and Confederacy.
Llamas, cattle, sheep, and pigs.
Zheng He was A. An admiral and explorer who spent 28 years exploring and trading during China's early Ming Dynasty.
Answer: Social contract theory, nearly as old as philosophy itself, is the view that persons' moral and/or political obligations are dependent upon a contract or agreement among them to form the society in which they live.
(looked some information on this topic up to help you a bit better)
:)