New York is a city filled with landmarks. There's Broadway, Wall Street, the Empire State Building and the Statue of Liberty, just to name a few. But when terrorists turned their hijacked planes toward Gotham, their target was clear. They had set their sights on the two gleaming towers of the World Trade Center. And they did so because those towers were symbols of America's economic power. To destroy them was—in the minds of the hijackers—a blow to America's economic systems.

And they were right the financial fallout from the attack was devastating.

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