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Which European countries attacked Portuguese colonies during the Iberian Union?

  • Dutch Republic, England, France

  • Spain, Italy, Germany

  • Denmark, Sweden, Norway

  • Poland, Austria, Hungary

Answer

During the Iberian Union (1580-1640), when Spain and Portugal shared a monarch, Portuguese colonies were attacked by three rival European powers hostile to Spain: the Dutch Republic, England, and France. This led to a decline in the Portuguese Empire as it struggled to defend its vast network of trading posts.
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