The answer to your question is C.
After World War I many of the victorious allied countries sought to punish Germany through back-breaking reparations which bankrupted the country and made its citizens bitter. This led to them seeking revenge for the reparations payments and unified them in anger against their victors.
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I believe the answer is: The world depended on Kuwait for oil.
At that time, Kuwait exported more than $ 100 Billion worth of oil to countries all over the world. The Coalition believe that If Iraq managed to get their hand of Kuwait's resource, the rest of the world would be in oil shortage. So they decided to intervene.
By sailing the straight across the Atlantic ocean