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What was a cause of World War I ?

A-the unification of separate German states into one nation

B-the invasion of Belgium by German troops

C-Austria - Hungary's imperialist ambitions to dominate the Balkans

D-the invasion of Belgium by German troops

User Charlette
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2 Answers

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Answer:

D when Germans invaded Belgium, if was the beginning of WWI

User Pierre GM
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D-the invasion of Belgium by German troops
User Scootermg
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