The demolition of the World Trade Centre affected the United States' economy by having the stock markets closed for four (business) days; putting the economy in a deeper recession; and damaging thousands of small businesses and offices beyond repair. After re-opening the stock market, the stocks fell immediately (including the Dow Jones) and created an even greater concern, for the markets were already going through tumultuous times prior to the besiege. While the United States' financial system was already at a low because of the lack of consumer confidence, the economic growth slowed immediately even more after the plane crashes. Many businesses, offices, and apartments sat in the shadow of the World Trade Centre and when they fell, so did its neighbours; leaving many bankrupt, jobless, and homeless. Those are three reasons as to how the terrorist attack of September 11, 2001 affected the entire United States' economy.
The collapsing of the towers created a mixture of environmental pollutants and carcinogens consisting of debris of cement, glass fibres, and toxic chemicals. These toxins have not only affected New York's living environment, but also the people living within it. For instance, thousands of rescue workers are still, a decade later, at a greater risk of maturing cancers and respiratory illnesses. The first responding rescuers had been reassured that the air