The American invasion of Afghanistan occurred in 2001, the same year that the United States was attacked by Osama Bin Laden's Al Queda terrorist network on the tragic September 11.
Afghanistan was accused by the US government of supporting and hiding bin Laden, and became the number one target of US troops. Thus begins the so-called War on Terror, established by President George Bush. Congress enacted various laws to protect the country and endorsed the President's decision to invade Afghanistan as a reprisal for the attack on US territory.
The u.s began sending troops to Afghanistan in 2001 after the 9/11 attacks on the Twin Towers, and in 2011 the u.s. found Osama bin Laden and killed him. The answer is 2001 tho
The attitude of respect and the devotion to ones family observed in Chinese society especially in the imperial period is known as "filial piety," although other terms are relevant as well.
