At the time there were a lot of advancements being made in the textile industry; therefore increased the demand for slave labour. What the cotton gin did was it made picking cotton a much quicker process, and this led slave-owners. So the cotton INCREASED a demand for slave labour because it make cotton-picking much more profitable. So the answer for your question is C :) I hope this helped you xx
In addition of the answer that was stated, also they failed to realize the audacity and ferocity of the Nazi Party and Adolf Hitler that started a new world war and large scale of exterminations for the dream future and living space. Also they failed to stop him in his genocides and large war crimes committed during the war.
By making newsreels and propaganda
By helping with the Voice of America
Many stars toured the country helping to sell War Bonds. Carole Lombard died in a plane crash on one such tour.
War movies were made for morale purposes.
Many actors such as Clark Gable and James Stewart volunteered for the armed services.
