All were concerned with religious liberty.
War industry was a major endeavor, massive both in terms of scale and costs involved. New technologies, munitions, weapons had to made and designed. This meant there was a need for massive number of new workers and subsequently a need for new houses where the workers would live. That was the difficulty that the industry had to face.
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Atilla the hundreds? I'm pretty sure that is it
You would have to study civics, government, history and economics
Its A 100% because there is a king in comunisem