What did they soviet union stand to gain if it controlled afghanistan? select all that apply.
a. a warm water port
b. another political ally
c. a victory over the u. s
d. access of lots of oil

A victory over the U.S." and "access to lots of oil" are the two reasons what the Soviet Union stood to gain if it controlled Afghanistan. The correct options among all the options that are given in the question are the third and the fourth options. I hope that this is the answer that has actually come to your help.