Read the excerpt from a speech delivered by President George W. Bush on September 22, 2001, then answer the question that follows.
I thank the Congress for its leadership at such an important time. All of America was touched on the evening of the tragedy to see Republicans and Democrats joined together on the steps of this Capitol, singing "God Bless America." And you did more than sing; you acted, by delivering $40 billion to rebuild our communities and meet the needs of our military.
Which event listed below is the President responding to in this speech?
a. Obamacare
b. Attacks of 9/11
c. Collapse of the Soviet Union
d. Elimination of Osama Bin Laden