What artistic methods did the communist party employ to sway the opinions of its people to align with party principles?

(select all that apply.)

rendering communist party chiefs such as josef stalin as cartoon figures doing amusing things
creating motivational posters depicting communist workers as glorified and heroic figures
depicting every side of an issue so that the informed populace could draw its own conclusions
using psychological triggers like sharp diagonal lines and vivid reds to suggest aggressive spirit
convincing viewers that a solid pro-communist consensus already existed among the people