The correct answer is option 2: A-I, B-II, C-III, D-IV.

(A) New World Order - (I) George H.W. Bush: The term "New World Order" was often associated with George H.W. Bush, who used it in his speeches to refer to the changing global landscape after the end of the Cold War. He served as the President of the United States from 1989 to 1993.

(B) Global War on Terror - (II) 11 September 2001: The "Global War on Terror" was a term used to describe the U.S.-led efforts to combat terrorism worldwide, especially in the aftermath of the September 11, 2001 terrorist attacks. The attacks on 9/11 prompted the U.S. to launch the Global War on Terror.

(C) Taliban regime - (III) Afghanistan: The Taliban regime was in control of Afghanistan for a significant period. They took power in the mid-1990s and were removed from power following the U.S. invasion of Afghanistan in response to the 9/11 attacks.

(D) Operation Iraqi Freedom - (IV) 19 March 2003: "Operation Iraqi Freedom" refers to the military operation led by the United States and its allies that began on March 19, 2003, with the invasion of Iraq. This operation resulted in the toppling of Saddam Hussein's regime.