Answer:
all the above
Explanation:
because though history was int the past it help our judgment in the future.
Why D-Day Was So Important to Allied Victory. The invasion of northern France in 1944 was the most significant victory of the Western Allies in the Second World War. ... The German Army suffered a catastrophe greater than that of Stalingrad, the defeat in North Africa or even the massive Soviet summer offensive of 1944.
My option is that the closer they are to their sources of energy the more they produce and more materials to complete their product.