Why do countries engage in war?

What four letters acronym stand for kgb in 1920s? How did the political ideologies of Hoover and Roosevelt affect their decision making? What event that touched off the start of World War 1? Compare and contrast Nazism and Bolshevism as ideologies and as ruling system? What island was captured by Japan resulting the deaths of thousands of American prisoners of war? What did apolinario mabini do to become a hero? What were 2 possible consequences for war time woman factory workers when men began to return from overseas after the war? What aspects of the war were very misleading to many man? Which of the allies gained territory from the old austri Hungarian empire? What are some events that lead up to the cold war? Why did the US go to war with Britain? Who was the last ww1 veteran to die? What is a troop encampment called? Why was the growing of military build up in Europe prior to World War 1 a cause of concern? In World War 2 aircraft launched and landed on what type of material? Fort carson vs fort richardson which is better to be stationed at? How do you think Americans reacted when this telegram was published on march 1st? How many ships were involved in D-day? Why did carls strommen write the song To The Sky? What of the following was a major cause of the Cold War?