Arthur Schlesinger's Support of Kennedy's Unilateral Imposition of a Naval

Arthur Schlesinger's support of Kennedy's unilateral imposition of a naval blockade on Cuba and condemnation of Nixon's decision to extend the U.S. military into Cambodia highlights the fact that evaluations of presidential performance in international relations

A) have become more critical since the rise of the "imperial presidency."
B) can be based on agreement or disagreement with particular policies.
C) are often related to geographical proximity.
D) are best left to historians.
E) rarely consider the long-term impact of critical decisions.