B. Humans domesticating dogs
The growth of commerce shift the structure power in European societies by : Giving merchant class more money and influence
Before this, the society was exclusively dominated by the nobles
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The correct answer here is D.
England had a lot on its plate. Numerous internal problems in addition to the threat from the Spain are what kept Britain isolated. It was only after King James VI ascended to the throne in 1603 and signed the Treaty of London that ended the hostilities with Spain that allowed Britain to become the world power.
They can only settle near oasis areas.
