Bush was very explicit when he declared war on Iraq, claiming that the nation posed a threat to the entire globe. Obama, though, has made it clear that his goal is to bring an end to the Iraq War.
The Bush Doctrine, which Bush established, stated that the United States will carry out a program of preemptive military strikes against countries believed to be harboring or supporting a terrorist organization hostile to the United States.
Both the Bush and Obama administrations have vowed to pursue an international strategy that protects Americans.
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