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The Han Dynasty was one of the great dynasties of Ancient China. Much of Chinese culture was established during the Han dynasty and it is sometimes called the Golden Age of Ancient China. It was an era of peace and prosperity and allowed China to expand to a major world power.
The main message that the Roosevelt Corollary sent to the rest of the world was that the United States was a powerful force that would intervene in European issues in South America if necessary.
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The Bush Doctrine refers to multiple interrelated foreign policy principles of the 43rd President of the United States, George W. Bush. These principles include unilateralism and the use of preemptive war. ... Generally, the Bush Doctrine was used to indicate a willingness to unilaterally pursue U.S. military interests.
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