All 4 contributed, but B and D are the most direct causes.
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Benito Mussolini was the dictator of Italy during WWII and put Italy under a fascist government.
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I believe the answer would be C, burning fossil fuels. Oil and gas is made up of the remains of microscopic plankton. Over millions of years the remains become the carbon-rich coal, oil and gas we can use as fuel. When fossil fuels are burned they release carbon dioxide into the atmosphere, thus contributes to global warming.
Answer:
I am pretty sure it is Britain and France
Explanation:
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