Which of These Claims Most Strongly Undermines the Balance-Of-Power Theory

Which of these claims most strongly undermines the balance-of-power theory?

A) Globalization can reduce a nation's level of cultural sovereignty.
B) Realist calculations tend to dominate the making of foreign policy decisions.
C) Political leaders do not always know which actions best promote the national interest.
D) International institutions do not have the same enforcement powers as domestic political institutions.