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A man dressed as a John Bull character holds a placard during a protest at the Cadbury factory in Birmingham, central England, on December 15, 2009. US competition authorities have approved a bid by Kraft Foods to acquire British confectioner Cadbury, the US food giant said Tuesday in a note to the London Stock Exchange. On Monday Cadbury management rejected the takeover offer, describing the formal bid as "inadequate" and ramping up its defences.AFP PHOTO/Carl Court (Photo credit should read Carl Court/AFP via Getty Images)