American HistoryQuestion 96 of 128
What major event happened on September 11, 2001, in the United States?
a.The Civil War ended
b.The stock market crashed
c.The Constitution was signed
d.Terrorists attacked the United States
Explanation
On September 11, 2001, terrorists carried out coordinated attacks on the United States. Hijacked planes struck the World Trade Center and the Pentagon. The attacks profoundly affected U.S. security policy.
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