Im learning this right now and I think its either a or c. Sorry if im wrong
The tone of the letter of the American President to the emperor of Japan is friendly and something that value peace and equality of both parties. But during the arrival of the american fleet it shows aggressiveness and show of force and advantage of technology in order for the treaty to be accepted. Also even though in the letter it is written an equal and beneficial trade between the two nations but the truth is that foreign powers take advantage of Japanese vulnerability.
Answer:
They resulted in higher casualty rates than in the past is the correct answer.
Explanation:
