Answer:
Explanation:On the sea, tactics changed due to the shift from sail-powered ships to steam-powered. The primary changes to the war can be attributed to the use of deadlier equipment that allowed troops to deliver more damage faster. Some of this equipment included:
The Great Famine
The Hundred Years' War
The Black Plague
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When President Roosevelt said on December 7, 1941 that the date would live in infamy he meant that the day would be remembered as a dishonorable and disgraceful day in American history do to the large loss of life from the Pearl Harbor attacks. Therefore, out of these words Roosevelt was equating the attacks to being done in manner that could be equated with "dishonor."