The uniqueness of the colonies for each of the European powers in North America are :
The European powers colonized several parts of the North America with varying intentions and these intentions made each colony uniques from others. The Spanish colonists migrated to the North Americas in search for Gold and silver and discovered these in large quantities,
While the French colonists established colonies in the North Americas due to the booming fur trade.
Hence we can conclude that the uniqueness of each colonies are as listed above.
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