Nuclear Weapons Were Pivotal in Defining the Cold War Period

Nuclear weapons were pivotal in defining the Cold War period.What is true of the way in which they helped shape the interests of the major powers during this time period?

A) The Soviet Union and the United States had enough nuclear weapons to destroy each other and their allies many times over.
B) The stockpiles of nuclear weapons were incapable of deterring limited nuclear attacks by either power.
C) The Soviet Union did not have the capacity to reach the West Coast of the United States with its missiles.
D) Both sides agreed not to give their allies access to nuclear technology.