How Does Contemporary Historical Archaeology Differ from Its Prehistoric Counterpart

How does contemporary historical archaeology differ from its prehistoric counterpart?

A) Modern historical archaeology often has a postprocessual slant to it, addressing humanistic and ideological concerns.
B) Historical archaeologists tend not to study large-scale processes; the high degree of temporal resolution in historic sites often leads investigators to focus on specific events or individuals.
C) Because historical archaeology deals with the relatively recent past, and all the cultural, political, and ethical challenges therein, it is often emotionally charged.
D) All of the answers are correct.