Yuri Bezmenov (https://en.wikipedia.org/wiki/Yuri_Bezmenov) was a KGB agent who defected to Canada and gave an interview in 1984 detailing Russia’s techniques at destabililizing nations.

Yuri Bezmenov: Stages of Subversion

“What does Putin Want?” Somewhat propaganda piece . Interesting to hear how countries “describe” their own intentions. https://www.nytimes.com/2019/06/25/magazine/russia-united-states-world-politics.html