On September 11, 2001, the United States suffered the worst terrorist attack in its history. This attack was planned and carried out by the extremist organization "Al-Qaeda," involving multiple suicide attacks that killed nearly 3,000 innocent people. This article will review this historical event, explore its background, causes, and its impact on the global political landscape.

I. Background

On the morning of September 11, 2001, 19 terrorists boarded four civilian airliners bound for New York and Washington D.C. in the United States. Fifteen of them were members of Al-Qaeda, and the remaining four were terrorists associated with the organization. These terrorists hijacked the flight crews and used the planes as weapons, crashing into the Twin Towers of the World Trade Center in New York, the Pentagon in Washington D.C., and an empty field in Pennsylvania (the fourth plane's intended target may have been the Capitol or the White House, but it failed to reach its destination after passengers resisted).

II. Attack Process

At 8:46 am local time, American Airlines Flight 11 crashed into the North Tower of the World Trade Center. Shortly after, United Airlines Flight 175 hit the South Tower. At 9:37 am, American Airlines Flight 77 slammed into the Pentagon. Finally, United Airlines Flight 93 crashed in Pennsylvania. This series of attacks caused the collapse of the Twin Towers of the World Trade Center and severe damage to parts of the Pentagon.

III. Impact of the Event

The terrorist attacks had profound impacts on the United States and the world. Firstly, it resulted in the death and disappearance of nearly 3,000 innocent people, as well as thousands of injuries. Secondly, the United States declared a state of war on terrorism, subsequently launching a war on Afghanistan, overthrowing the Taliban government, and targeting Al-Qaeda. In addition, the United States strengthened security measures domestically, established the Department of Homeland Security, and passed laws such as the Patriot Act to intensify the fight against terrorist activities. Finally, this incident also exacerbated tensions between Western countries and the Islamic world.

Conclusion:

The terrorist attacks in the United States in 2001 were one of the most influential historical events of the early 21st century. They not only changed the United States' security policies and foreign strategic directions but also had a profound impact on the global political landscape. When reflecting on this event, we should remember the sacrifices of the victims and strive to maintain world peace and security, jointly combating terrorism, the common enemy of all humanity.

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