Which of the Following Is a State-Level Explanation of the 2003

Which of the following is a state-level explanation of the 2003 U.S. invasion of Iraq?

A) George W. Bush had sought to remove Saddam Hussein from office since the late 1990s.
B) There was a shifting balance of power in the Middle East.
C) It is in the U.S. national interest to build a progressive Arab regime in the Middle East.
D) President Bush had advisers favoring war.
E) The U.S. invasion was a manifestation of the unique capability of a unipolar international system to respond to perceived threats to the stability of the system.