Some American colonists believed they were justified in declaring independence from Great Britain because the British government

The American colonists believed they were justified in breaking away from British rule because they believed the British Parliament and King George III were implementing tyrannical laws that impeded against the colonists' rights as Englishmen.

the real answer is b

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