"10 years ago, on the evening of May 30, 20 1 year, then US President Barack Obama officially announced that bin Laden had been killed by the US military. That night, the whole country was boiling. American public opinion believes that since a Boeing 767 crashed into the North Tower of World Trade Center in New York at 8: 46 am on September 1 2006, Americans have made great progress in the war on terrorism that lasted for nearly 10 years.