The correct answer is that the bombing of Pearl Harbor in 1941 by Japan made American isolationists quickly change their tune as America was under attack. Once Germany declared war on the US, the US was fully into the war.
In addition to military supplies on the Lusitania, the other content of the vessel when it sank was D. American passengers
<h3>What is the sunken Lusitania?</h3>
This refers to the sunken vessel that was brought down by a German U-boat and led to the loss of military supplies.
Hence, we can see that the Lusitania, a UK vessel that contained over a thousand people, and about 128 Americans when it was torpedoed by the German U-boat and sank.
Therefore, the correct answer is option D.
Read more about the Lusitania here:
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Differences between the North and the South were readily apparent well before the American Revolution. Economic, social and political structures differed significantly between the two regions, and these disparities only widened in the 1800s. In 1861, the Civil War erupted between the two sides, and much of the conflict surrounded sectional differences. Once the war ended, Reconstruction lessened some sectional disparities but increased others.