Steph, In re "his actions are going to cause long-term damage to world peace.": permit me to replace George Bush with Saddam Hussein as the "his", using these examples.
[On September 22, 1980, formations of Iraqi MiG-23s and MiG21s attacked Iran's air bases at Mehrabad and Doshen-Tappen (both near Tehran), as well as Tabriz, Bakhtaran, Ahvaz, Dezful, Urmia (sometimes cited as Urumiyeh), Hamadan, Sanandaj, and Abadan. Their aim was to destroy the Iranian air force on the ground…]
"Iran-Iraq War (1980-1988)", Federation of American Scientists,
http://www.fas.org/man/dod-101/ops/war/iran-iraq.htm
and
[At 0200 2 August 1990, the Iraqi Hammurabi Armored and Tawakalna Mechanized Divisions supported by Iraqi Special Forces and the Median Armored Division invaded their neighbor to the southeast, the sovereign nation of Kuwait… At 0530 the battle for Kuwait City began. By 1400, the Iraqis had captured the capital.]
"Operation Desert Shield/Desert Storm: Chronology and Fact Book", John H. Admire, Kevin Don Hutchison; Greenwood Press, 1995
How long a term are you using when you refer to this world peace?