Vietnam war
who supported the north? and who supported the south?

North Vietnam and the Việt Cộng insurgents supported by their communist allies, including the Soviet Union and China, fought against the military of South Vietnam, the United States and other anti-communist military forces, including South Korea, Australia, Thailand, and smaller players.

China and the Union of Soviet Socialist Republics suppoted the north and The U.S.A. supported the south

you can talk about what you learned about them. and you can talk about what happened on you're journeys with them. and then you can put all of the thing you learned about them in you're diary.