Hoover believed the Great Depression would just end in time, and that US citizens just needed to wait it out, while Roosevelt took action to try to stop the GD.
It reduces the per unit fixed cost. As a result of increased production, the fixed cost gets spread over more output than before. It reduces the per unit variable costs. Economies of scale bring down the per unit variable costs.
Abraham Lincoln had just signed the emancipation proclamation before he was shot which freed all of the slaves; However, the majority of the south still did not see the slaves as free and so they discriminated against them. Race relations were tight.
It served as a key naval base during the war. that's where pearl harbor is after all.
