Answer:
The United States and its allies supported: Mujahideen
The Soviet Union and its allies supported: Communist Government
Step-by-step explanation:
In an attempt to contain the spread of communism in the global political arena, the United States and its allies supported: Mujahideen against the Communism government which was supported by the Soviet Union.
During the Soviet-Afghan war between 1979 to 1989. The United States and its allies supported: Mujahideen against the Communist government by supplying the Mujahideen with adequate weapons and military training.
On the other side, was the Soviet Union and its allies that supported: Communist Government