You mean the Cold War? Containing communism wasn't a priomary goal of World War 2.
A factory or manufacturing plant is an industrial site, usually consisting of buildings and machinery, or more commonly a complex having several buildings, where workers manufacture goods or operate machines processing one product into another.
20 million deaths total, about 10 million military and almost 10 million civilian.
The railroads increased the trade route because it was a fast way of trading