The President has the power to sign or veto legislation, command the armed forces, ask for the written opinion of their Cabinet, convene or adjourn Congress, grant reprieves and pardons, and receive ambassadors from other countries.
Answer:
it happened because of airplanes
Explanation:
two airplanes crash landed by terrorists into both world trade centers
this caused a lot of damage because all the countries traded there
i learned this in school
:p