To help discourage Soviet communist expansion, the United States built more atomic weaponry, The arms race has produced waste from such sources as the reactors that make the plutonium and tritium, the tailings from uranium mining, and other by-products from the nuclear weapons development process. As more nuclear weapons are removed, the safe storage of their warheads becomes increasingly more urgent
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Explanation:
The second industrial revolution changed the industry and trade of Europe in many ways. It changed the conditions under which the workers did their work. The factories centralized work in buildings that were made with one purpose in mind. Products were made differently because of the assembly line so the time when one worker did something from beginning to end was gone. And many craftsmen were replaced by machines of many sorts.
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a is what i got
Explanation:
it might be wrong tho but i got a