Which of the Following Provides the Best Evidence for the Claim

Which of the following provides the best evidence for the claim that America's soft power waned during the first decade of the twenty-first century?

A) President Obama's attempts to negotiate with adversaries and increase collaboration with allies
B) the mix of diplomatic pressure, multilateral sanctions, and International Atomic Energy Agency inspections used to deter nuclear weapons in North Korea
C) the rise of anti-Americanism following the 2003 invasion of Iraq, not only in the Arab world, but also in Western Europe, Latin America, Asia, Africa, and Russia
D) the nuclear cooperation treaty President George W. Bush signed with India in 2006
E) the September 11, 2001, terrorist attacks on the World Trade Center and Pentagon