Opinion of the Court
In practice, then, the President's recognition determination is just one part of a political process that may require Congress to make laws. The President's exclusive recognition power encompasses the authority to acknowledge, in a formal sense, the legitimacy of other states and governments, including their territorial bounds. Albeit limited, the exclusive recognition power is essential to the conduct of Presidential duties. The formal act of recognition is an executive power that Congress may not qualify. If the President is to be effective in negotiations over a formal recognition determination, it must be evident to his counterparts abroad that he speaks for the Nation on that precise question.
A clear rule that the formal power to recognize a foreign government subsists in the President therefore serves a necessary purpose in diplomatic relations. All this, of course, underscores that Congress has an important role in other aspects of foreign policy, and the President may be bound by any number of laws Congress enacts. In this way ambition counters ambition, ensuring that the democratic will of the people is observed and respected in foreign affairs as in the domestic realm. See The Federalist No. 51, p. 322 (J. Madison).
B
No single precedent resolves the question whether the President has exclusive recognition authority and, if so, how far that power extends. In part that is because, until today, the political branches have resolved their disputes over questions of recognition. The relevant cases, though providing important instruction, address the division of recognition power between the Federal Government and the States, see, e. g., Pink, 315 U. S. 203, or between the courts and the political branches, see, e. g., Banco Nacional de Cuba, 376 U. S., at 410—not between the President and Congress. As the parties acknowledge, some isolated statements in those cases lend support to the position that Congress has a role in the
