On august 6 and 9, 1945, the united states dropped atomic bombs on the japanese cities of hiroshima and nagasaki. how did the soviet union respond to this military action?

a. it accelerated the pace of its military invasion of germany

b. it withdrew from international organizations in which the united states was also a member

c. it intensified development on and successfully tested its own nuclear weapons

d. it formed an alliance with the united states to share nuclear technology