> Russia should use its special services within the borders of the United States to fuel instability and separatism, for instance, provoke "Afro-American racists". Russia should "introduce geopolitical disorder into internal American activity, encouraging all kinds of separatism and ethnic, social and racial conflicts, actively supporting all dissident movements – extremist, racist, and sectarian groups, thus destabilizing internal political processes in the U.S. It would also make sense simultaneously to support isolationist tendencies in American politics."

https://en.wikipedia.org/wiki/Foundations_of_Geopolitics

Although it's quite likely that the significance of this book is overestimated because of confirmation bias.