Which document or institution had the greatest influence on the developmenr of the united states?

The development of the slave labor system in the American south was one of the key events in the economic, political, and social history of the United States. Write an essay on the influence of the institution of slavery on American history from the seventeenth century through the end of Reconstruction.

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d) a constitutional amendment

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