A. John Simmons 
Moral Principles and Political Obligations [EPUB ebook] 

Outlining the major competing theories in the history of political and moral philosophy–from Locke and Hume through Hart, Rawls, and Nozick–John Simmons attempts to understand and solve the ancient problem of political obligation. Under what conditions and for what reasons (if any), he asks, are we morally bound to obey the law and support the political institutions of our countries?