Social contract is some sort of social obligations that's expected to be done as a member of society (such as getting a job, provide for family, create products, etc)
This will result in contribution to the development of society, which to repay it, the society is arguably also need to give back to that person in form of safety nets such as welfare
I think d if you still need the answer
Could create their own Miranda warning if it communicated the same message.
Adolf Hitler was already dead by the end of WW II. He suicided after the fall of Berlin to the USSR late-1945
Hope this helps