摘要：AbstractThis study gives detail information about American invasion of Iraq in 2003 and explains U.S. decision to invade Iraq from different analytic perspectives such as realism, liberalism and Marxism. These perspectives integrate with different level of analysis, which are individual, societal, state and systemic level of analysis to explain US invasion to Iraq. The paper focuses on the question “what are the reasons behind U.S. invasion of Iraq?” in order to better understanding the causes of U.S. invasion decision.
