They were justified in wiping every muslim off the planet before they attempt the same on every non muslim, obviously asking every muslim to give up on the evil sexist and racist religion before they kill them. I do not usually believe in killing innocents but if they follow a book blindly that tells them to kill you, what else can you do, we cant leave them here to kill each other and escape the planet yet and even if we did every man and woman that tried to escape them would be killed. The only option is to put down all virus like religions which includes Christianity.
Following September 11th the Taliban who controlled Afghanistan refused to turn over Bin Laden or any other of the terrorists responsible for the attacks, so the US was perfectly justified in going in and removing a corrupted government and going after those who committed the greatest act of war against the US in modern history
The Afghan government refused requests by the United States to hand over the people that planned the attack. They claimed it would be a violation of their tradition of hospitality. The United States was justified to invade Afghanistan to get at the people that were responsible for the attack on the United States and their citizens.
The government thought that Afghanistan was where the people that hatched the 9/11 plans were, and that there were more plans in the works. I recently watched a show on this, and we fell right into the overall plan of the Muslims, by attacking the country. But, it needed to be done.
Following the attacks on September 11, 2001, the United States had full justification to invade Afghanistan, as it was clear the attacks had been perpetrated by Al Qaeda, which was based in Afghanistan, with tacit approval of its government, the Taliban. In order to punish the perpetrators, and prevent future attacks, the United States had to take action.
The war in Afghanistan is in no way justified. A few citizens of a country attacking yours doesn't mean that the entire country is attacking you. The United States is causing far more destruction in Afghanistan than 9/11. Innocents are being killed for a hopeless, unjustified war, all because of America's greed and the need for vengeance over a relatively petty thing. Did Japan declare war on the U.S. For bombing two massive civilian cities? No. Neither should we assault an innocent country for a terrorist act.
In which way is it justified to invade a country on the sole basis that the terrorist group that committed an attack against you justified? In which way is it justified to slaughter civilians and destroy Afghanistan just because some people did this? It was not an act of war from Afghanistan, it was an act of war from a terrorist group in Afghanistan. How would you feel that because a group of extremist american christians committed a terrorist plot, and the rest of the world decided to slaughter your people and take over your country because of this? the war on Afghanistan is in no way justified.
Just like with the invasion of Iraq, invading Afghanistan is over the top. If the United States has cause to hunt down a terrorist or foreign leader, then we should just take them out, not cost thousands or tens of thousands of civilian lives to be lost and destroy a country in the process. Just look at Libya today. The cost of war or invasion is too high. We should just assassinate Qaddafi.