During the Cold War, and in the past decade, U.S. policy often viewed nuclear weapons apart from the rest of the U.S. military establishment, with nuclear weapons serving to deter a global nuclear conflict with the Soviet Union or Russia.
Answer:
Manufacturing, and automated labor.
Explanation:
A lot of the jobs that required people to do things themselves have now been replaced by robots or by systems that require less people to operate. This can be seen heavily in the industrial revolution.