Drawing on declassified documents housed in the Russian Federation Archives of Foreign Policy (Arkhiv vneshnei politiki Rosssiyiskoi Federatsii, AVP RF) and the Russian State Archive of Contemporary
ideas.repec.org
Reposting my response to you:
Edit:
Just saw your source. For the sake of argument, I’ll view it as genuine.
Few responses:
A) Russian Federation =\= Soviet Union
B) classical Marxist theory is supposed to spurn nationalism (of any kind) in favour of global worker solidarity. There was internal disagreement obviously (read Stalin’s work on nationalities, or the Maoist approach on it)
C) Regardless, the Soviet Union funded, armed, trained, and hosted African nationalists like the ANC, while America and its Western allies designated the ANC as terrorists. African leaders in the past were wise to ally with the USSR