Was it? 9/11 didn't change any borders. It didn't change the set of US allies and enemies, neither did it cause a change of government in US. It only caused a

Was it? 9/11 didn't change any borders. It didn't change the set of US allies and enemies, neither did it cause a change of government in US. It only caused a protracted but still relatively small war in Afghanistan. Its government fell but this change didn't spread to other countries. One could argue that 9/11 was a factor in the growth of radical Islamism (cf. speeches by Islamic leaders all over Europe, incidents in Netherlands, etc) but apart from the London bombings we didn't have any major incident linked to 9/11.