Answer:
B- testing could only occur underground
Explanation:
During the Cold War and especially after the Soviet Union created an atomic bomb the possibility of a nuclear war was approaching faster than ever. After the Cuban missile crisis it was necessary to create an agreement regarding nuclear testing. That is why in 1963 it was agreed that testing could only occur underground
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The main argument in support of the decision to use the atomic bomb is that it saved American lives which would otherwise have been lost in two D-Day-style land invasions of the main islands of the Japanese homeland
They halted development in the mainland. That meant that England advanced far beyond the rest of Europe
If ethnic groups had been more equal in size, the most likely result would be that there would be more equality between the different equally-sized groups in comparison to the massive difference which we know exist and have probably pronounced themselves exactly due to the unequality of size.
A. Portugal had already built their empire by that time, so really Spain benefited the most from this.
