The proxy wars that involved the United States are Chinese Civil War, Greek Civil War, War in Vietnam, Iran crisis of 1946, First Indochina War, Paraguayan Civil War, Malayan Emergency, Conflict in Myanmar, Arab–Israeli conflict, Korean War, Mau Mau Uprising, Second Indochina War, First Taiwan Strait Crisis,Algerian War, Second Taiwan Strait Crisis, 1958 Lebanon crisis, 1959 Tibetan uprising, Central American crisis, Congo Crisis, Portuguese Colonial War, Eritrean War of Independence, North Yemen Civil War, Dhofar Rebellion, Sarawak Communist Insurgency, Sand War, Aden Emergency, Insurgency in Northeast India, Dominican Civil War, Chadian Civil War, Communist insurgency in Thailand, Bolivian Campaign, Second Korean War, South African Border War, Nigerian Civil War, Years of Lead, Communist insurgency in Malaysia, Operation Condor, Al-Wadiah War, Civil conflict in the Philippines, Yemenite War of 1972, Angolan Civil War, Ethiopian Civil War, Lebanese Civil War, Western Sahara War, Indonesian occupation of East Timor, Insurgency in Laos, Civil conflict in Turkey, Shaba I, Cambodian-Vietnamese War, Mozambican Civil War, Shaba II, NDF Rebellion, Chadian–Libyan conflict, Yemenite War of 1979, Afghan-Soviet War, Internal conflict in Peru, Ethiopian–Somali Border War, Thai–Laotian Border War, and <span>Afghan Civil War</span><span>
The answers are based on Wiki list.
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The answer would be Emancipation Proclamation . It states that Emancipation Proclamation issued by Abraham Lincoln and declared "all persons held as slaves within any State or designated part of a State, the people whereof shall then be in rebellion against the United States, shall be then, thenceforward, and forever free."
