Simplify the following text for a Grade 11 native English-speaking person.
Original: The Bush Doctrine was polarizing both domestically and internationally . In 2008 , polls showed there was more anti-Americanism than before the Bush administration formed the Bush Doctrine ; this increase was probably , at least partially , a result of implementing the Bush doctrine and conservative foreign policy .
Simplified: The Bush Doctrine is a term which many people use to describe several foreign policy and national defense decisions that President George W. Bush made .