Original sentence: Anti-Americanism in some form has existed across different American presidential administrations, though its severity may wax and wane considerably depending upon particular economic or geopolitical issues.Bush's presidency, for instance, is widely seen as inducing a major increase in Anti-Americanism, with the 2003 invasion of Iraq and controversies such as the Guantanamo Bay detainment camp and CIA "torture flights" badly affecting global opinions of the U.Even America's closest trading partner, Canada, goes through phases of anti-Americanism, some more extreme than others
Edited sentence: Anti-Americanism in some form has existed across different American presidential administrations, though its severity may wax and wane considerably depending upon the foreign activities and policies of the current admintistration.Bush's first presidential term, for instance, is widely seen as inducing a major increase in Anti-Americanism, with the 2003 invasion of Iraq and controversies such as the Guantanamo Bay detainment camp and CIA "torture flights" badly affecting global opinions of the U.Even America's closest trading partner, Canada, goes through phases of anti-Americanism, some more extreme than others, depending upon the current strategems of the U.military-industrial complex