World War I and II were both terrible.
World War II was worse casualty wise and was way more widespread across the globe. On the other hand WWI soldiers had terrible conditions, gas, death from machine guns, the trenches. Everything was terrible for the life of a soldier in WWI on the other hand WWII had more casualties and more widespread effects.
the deadly war
The significance of World War 2 is that the Western World will not accept aggressors, oppressors and genocide murderers. We expect peace and non-aggression. The United Nations was formed to accomplish that value.
Because it was the second "world war". The two "world wars" are called that because they were major wars that involved most countries in the world, and were fought all over the world. World War I was fought in Europe, Africa, the Middle East, the Atlantic Ocean, and even in the Pacific and China. World War II involved even more, and took place in Europe, Africa, Asia/Pacific, even a little bit in North and South America!
London was bombed during World War 2 because the Nazis were attempting to demoralize the city. The country was not attacked because more people lived in the city.
D Day - 6 June 1944 - was the date of the Allied landings in Occupied Europe and if the landings had been unsuccessful, World War2 could have dragged on for many more years.
world war 1 lasted longer
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world war2
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World war2
world war 2 was more of a world war. It was fought on more fronts and included more countries.
World War2
world war2
A+ world war2
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Russsia in world 2 because they gave up but they knew they were going to lose the war in world war2
Atomic bombs created the cold war.