Which of the following contributed to the soviet union and the united states
never directly fighting each other during the cold war?
a. their huge nuclear arsenals meant that a war could completely
destroy both countries.
b. their global spheres of influence were on different continents and
did not overlap.
c. their leaders never had enough individual political power to
declare war between them.
d. their competition was based on political differences and did not
lead to a military rivalry.