What event angered Timothy McVeigh so much that he decided to bomb a government building in Oklahoma City in 1995?
A. the standoff and ensuing tragedy at the Branch Davidian compound in Waco, TX in 1993
B. the resignation of Mikhail Gorbachev due to the collapse of the Soviet Union in 1991
C. the election of President Clinton in 1992
D. the declaration of war against Iraq in 1991