Charlemagne gave no mercy to Saxons and he executed over 4,000 of them.
Acquiring colonies to provide a favorable balance of trade.
Mercantilism was the theory that trade generates wealth and peer, so gathering colonies that stimulate trade would fall under mercantilism.
Answer:
The advantages that the United States had were that it was wealthier, larger, and more populous than Mexico. America also had industries to supply it with arms and ammunition as well as a larger and better navy and more advanced artillery.