Answer:
The Lend Lease Act was initiated to, as the poster Uncle Sam holds, to support the US's allies in their war effort. "Short of War" is used to describe that the US economically was already in the war, as they provided loans, created military hardware and equipments, and heavily invested in their allies. The only thing holding them out was the public opinion, and the investment of American lives nonvoluntarily. The left side is used to suggest the public opinion, and how there were sentiments on both sides for the argument. In essence, Uncle Sam is trying to appease both sides in supporting logistically the Allies, while not forcing US men into the warfront.
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Reconciling with the south rather than punishing it
One ideology that was used to justify imperialism was social Darwinism, which was the theory that other races and nations were genetically inferior, and deserved and required imperialism. It’s called social Darwinism because the theory of Charles Darwin was that of natural selection, where some species are naturally selected to be able to prosper and evolve. Species with traits that would allow them to survive will pass their genes onto the next generation, and so forth. So with social Darwinism, it follows the same principle; other races and ethnicities were naturally selected to be BETTER than others. Another ideology was nationalism, which is when people of a certain ethnicity, race, or nation are united under their similarities. This often fueled imperialism because it tied into social Darwinism, as it made people of a common background feel like they were superior to other nations, and by having nationalistic attitudes, they had the unity to accomplish imperialism. Another ideology that was commonly believed in states with a Caucasian majority was “The White Man’s Burden.” In many imperialistic countries, people believed that it was their duty to civilize other countries and that it was good for both sides. This also tied into social Darwinism, as the belief that the white man was genetically superior to others was very prevalent in this ideology. Another ideology that was used to justify imperialism was the desire to convert indigenous populations to Christianity. It was justified as showing the indigenous people the way to salvation, and that it was good for them, but in reality, they were suppressing their culture.
When Napoleon was taken down, the use of serfs (or slaves) was also diminished. After the defeat of Napoleon democracy rose up, and the use of slaves fell.