This excerpt is the core of the doctrine of Judicial review.
Marbury v. Madison enabled the Judicial branch to become a co-equal branch of Government through the holding of the power to review legislative and executive branch action to determine whether it was constitutional. This excerpt establishes that quite clearly.
A. Because the domino theory says<span> if one country in a region came under the influence of communism, then the surrounding countries would follow in a </span>domino<span> effect.</span>