Final answer:
King George came to the conclusion that "blows must decide" who would control America because he wanted to assert his authority.
Step-by-step explanation:
King George came to the conclusion that "blows must decide" who would control America because he wanted to assert his authority. King George III believed that the American colonists were part of his empire and that it was his duty to maintain control over them. He saw no other option but to use force to quell the colonists' rebellion and assert his authority as King.
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