What was one effect of U. S. nuclear testing during the Cold War?

However, the large number of nuclear weapons tests carried out in the atmosphere and underground during 1945–2013 (the last nuclear test was performed by North Korea)

Explanation:

what precedent do you see the ordinance of 1787 setting for the 1st amendment of the us constitution : )

this person under me, copied me. owo

well that depends on how deep the hole is. you'd first go through te crust of the earth, then the upper mantle, then the lower mantle then the outer core, then the inner cor then you'd be stuck in the core to melt.