Which Is NOT an Example of the Disagreements the United

Which is NOT an example of the disagreements the United States has had with its allies since becoming the world's sole superpower?

A) Relations have been strained with China over whether or not China will put pressure on other nations, such as North Korea, concerning nuclear proliferation.
B) Disagreements about nuclear proliferation have strained the United States' relations with Russia.
C) The United States could not agree with the Europeans about how to approach the ethnic conflicts in Bosnia and Kosovo.
D) Relations with France and Germany have become strained over the war with Iraq.
E) The United States has not been able to solve the Palestinian conflict with the Israelis.