World War II was the deadliest military conflict in history in terms of total dead, with some 75 million people casualties including military and civilians, or around 3% of the world's population at the time. Many civilians died because of deliberate genocide, massacres, mass-bombings, disease, and starvation.
McCarthyism is the answer because it caused by Senator McCarthy who feared communism would spread so that was the term it was given.
Superior manpower, industry, access to trade, finances, leadership, and more.
Answer is A. Leo Bennett
I've typed it out for you in the attached picture.
He was the US Marshal who helped oppose against the resistance.
Hope this helps. - M