Examples of crimes against peace include Italian attack against Ethiopia in 1935, Japanese attack against China in 1937, two secretly negotiated treaties between Stalin and Hitler on the partition of Poland and annexation of Baltic States, Soviet attack against Finland in 1939, German conquests in Europe during World War II, the invasion of South Korea by North Korea in 1950,  the invasion of Kuwait by Iraq in 1990, and the invasion of Iraq by United States in 2003.The Guardian (2004). Iraq war was illegal and breached UN charter, says AnnanKramer, Michalowski, Rothe (2005). "The Supreme International Crime": How the U.S. War in Iraq Threatens the Rule of Law. Social Justice 32(2):52-81Rebecca Gordon (2019). The War Crimes Trump Can’t Pardon. The Nation
Examples of crimes against peace include Italian attack against Ethiopia in 1935, Japanese attack against China in 1937, two secretly negotiated treaties between Stalin and Hitler on the partition of Poland and annexation of Baltic States, Soviet attack against Finland in 1939, German conquests in Europe during World War II, the invasion of South Korea by North Korea in 1950, and the invasion of Kuwait by Iraq in 1990, 
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and the invasion of Iraq by United States in 2003.The Guardian (2004). Iraq war was illegal and breached UN charter, says AnnanKramer, Michalowski, Rothe (2005). "The Supreme International Crime": How the U.S. War in Iraq Threatens the Rule of Law. Social Justice 32(2):52-81Rebecca Gordon (2019). The War Crimes Trump Can’t Pardon. The Nation