A large army is inherently impractical and inefficient: every extra soldier is another mouth to feed and one fewer worker making the tanks and shells.

British historian and writer specialising in the Second World War

Whereas, there’s also another point, which is having large armies is actually inherently impractical and inefficient, because the larger the army, the more people you’ve got to feed, the more barracks you’ve got to have, the more space you’ve got to have for training, the more people you’re taking out of your workforce to produce tanks and shells, and all the rest of it, because they’re tramping around with rifles.