<span>Lack of technology to use them caused the cold war leaders to hesitate to use nuclear weapons.
</span><span>B. Lack of technology to use them </span>
Maybe it has to do with the placing on the grid seeing section 16 is almost in the middle, meaning they had a prominent stand in education?
b is the answer to the first one
c is the answer to the second one
The biggest issue is by technology.