I believe it was a conflict between the USSR and The United States. But to answer your question it was the Soviet Union.
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
The ancient document that sheds light on the purpose of the
government is called the code of Hammurabi. This is known to be a Babylonian code
in which has been preserved well that has been dated back about 1754 B.C., this
is a record that provides the people and the prosperity during their period in
which was first recorded.
