For how many years were tensions between european nations growing before wwi finally broke out? ninety years fifty years forty-five years fifteen years

90 years

Explanation:

I did quick maths

technician a^^^

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“the battle of stalingrad is not a turning point necessarily in strategic terms, because a lot more has to be done before the soviets can be certain of defeating germany,” says renowned world war ii historian richard overy. the germans had fought nearly a thousand miles across the soviet union to get to stalingrad.