Russia and China govert have no problem with foreign "democracy", just like USA has no problem with communism, per se. They are all just opposed to small nation's allying with their enemies.
The history of USA and Latin America makes this clear.
After Stalin died his letters were released and he was denounced. His letters confirm that China and Russia did have a problem with democracy and that it was the impetus for their support of Kim Il Sung during the Korean War.
The history of USA and Latin America makes this clear.