Even Though Presidents Have Significant Powers Over Foreign Policy, President

Even though presidents have significant powers over foreign policy, President Clinton opted not to submit the Kyoto Protocol to Congress in the 1990s because

A) public opinion staunchly opposed the Kyoto Protocol, illustrating how the public can check presidential power.
B) President Clinton had concerns that the deal would harm U.S. global business interests, illustrating how globalization can check presidential power.
C) the U.S. Senate was unlikely to ratify the Kyoto Protocol, illustrating how the legislative branch can check presidential power.
D) the U.S. Supreme Court had already ruled the Kyoto Protocol to be unconstitutional, illustrating how the courts can check presidential power.