The change in nations Core populations (25-54yr/olds) have driven economic activity for the later half of the 20th century, first upward and now downward. The Core is the working population, the family forming population, the child bearing population, the first home buying, and the credit happy primary consumer. Even a small increase (or contraction) in their quantity drives economic activity magnitudes beyond what the numbers would indicate.

The Maginot Line formed France’s main line of defense on its German facing border from Belgium in the North to Switzerland in the South. It was constructed during the 1930s, with the trench-based warfare of World War One still firmly in the minds of the French generals. The Maginot Line was an absolute success…as the Germans never seriously attempted to attack it’s interconnected series of underground fortresses. But the days of static warfare were over – in 1940, the Germans simply drove around the line through Holland and then Belgium.