The total cost of World War II has been estimated at over $4 trillion when adjusted for inflation. This figure includes the cost of human lives, property damage, and economic losses. The United States spent the most on the war, just over 340 billion dollars. However, it is important to note that this figure cannot represent the human misery, deprivation, and suffering, the dislocation of peoples and of economic life, or the sheer physical destruction of property that the war involved.

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