In the Last Few Decades,executive Orders

In the last few decades,executive orders

A) have become increasingly rare due to the limitations Congress has imposed on unilateral presidential action.
B) have become focused almost exclusively on emergency wartime measures rather than on domestic policy matters.
C) have become routine instruments of presidential governance rather than emergency wartime measures.
D) have ended entirely due to a series of Supreme Court decisions outlawing most forms of unilateral presidential action.