Final answer:
The mining of zinc, copper, and uranium grew rapidly during the Cold War era because these materials were essential for weapons and national security.
Step-by-step explanation:
The mining of zinc, copper, and uranium grew rapidly during the Cold War era because these materials were used for weapons. With the escalating tensions between the United States and the Soviet Union, both countries needed to secure a steady supply of these strategic resources for their defense industries.
The production of zinc, copper, and uranium was crucial for the manufacturing and development of various military equipment and nuclear weapons. As a result, the demand for these materials increased significantly, leading to the growth of mining operations.
Furthermore, the government played a key role in supporting and promoting the mining industry during the Cold War era to ensure a reliable supply of these critical resources for national security purposes.
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