The September 11 terrorist attacks were a tragedy unlike anything the United States had experienced. They set the nation on a new path and their ramifications, both big and small, are still felt today, twelve years on.
There are the obvious consequences: thousands of people who died that day, two wars, the Patriot Act, the creation of the Department of Homeland Security. And then there are the more subtle and pervasive ones: our mental state, how Muslims are perceived in America. Even our architecture has changed.