Go here for more info about Macroeconomics: https://en.wikipedia.org/wiki/Macroeconomics<span>
Macroeconomics (from the Greek prefix makro- meaning "large" and economics) is a branch of economics dealing with the performance, structure, behavior, and decision-making of an economy as a whole. This includes national, regional, and global economies.</span>
Answer:The demand for labor drops. ... During a war, the government puts pressure on producers for heavy equipment, supplies, and services, making each more valuable.