The main question of the article is what will be the United States policy and strategy in international arena in general and toward the Islamic Republic of Iran specifically during Trump's administration? In response to the question, a conceptual framework is provided at first and after that, the affecting factors on shaping the United States foreign policy in domestic and international levels are presented and its principals and approaches are explained. It seems the Trump administration will face with big problems and obstacles in pursuit of the United States ends and interests and revisit its positions in foreign policy.
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