Afghanistan became the first country to feel the effect of George W. Bush's Doctrine of Preemption. The Bush Doctrine of Preemption is a foreign policy that supports an approach to protecting the concerns of the United States. After the 9/11 attack, the Bush Doctrine became profoundly connected with the United States who had the right to defend itself against nations that give support to terrorist members, which led the war in 2001 in Afghanistan.
the Monro doctrine was a statement saying if you attack any of our neighbors and wish them harm we will defend them this was a statement used to say hey america over here we putting our foot down and saying no to colonialism this also kicked of the war of 1812
