"the terrorist <span>attacks on the United States" would be the best option from the list since communism was already on the fall and the US had just suffered a terrorist attack in New York City. </span>
The blitzkrieg tactics, paratroopers, better tanks, outdated french army, the allies attempts at negotiations (basically give Germany what they wanted as long as they promised not to invade anymore), the fact that the Maginot line didn't extend across the entire French border, only the German part, so Germany just went around it and surrounded all the French defenders
When it comes to Churchill, things get controversial, but three leadership qualities I'd say he had are: honest, decisive, and persistent. :)
Europeans used Social Darwinism to justify empire building by their belief that they had the right and also the duty to bring the results of their progress to different countries. I believe that this would be the answer you're looking for :)
<span>The wealthy, because he didn't trust them for many reasons</span>
