Nozick's Theory of Justice Is "Historical" Because

Nozick's theory of justice is "historical" because:

A) He believes we should return to nineteenth-century conceptions of justice.
B) He believes we should consider the history of philosophy in constructing our theory.
C) He believes his theory is an important, historic breakthrough.
D) He believes the history of how people got their belongings matters.
E) He believes the history of how our principles evolved matters.