The increased military expansion in europe before world war 1 cause alarm because •great britain’s avances navy threatened germany’s strength •germany feared a surprise invasion by france •austria and russia decided to unite their armies • a strong arms race developed as a result of the military build up

• a strong arms race developed as a result of the military build up

Explanation:

Early tensions between industrial powers in Europe led to an arms race. These countries increased their numbers and the capacity of their arsenals to the point that, when the First World War broke out, violence and the intensity of the fighting surprised most of the political and military leaders involved in the conflict.

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