<prompt> Bhala okuqhubekayo kwalesi sigaba - Ngo-September 1968, ngesikhathi enikeza inkulumo eMhlanganweni Wesihlanu we-Polish United Workers Party ngemva kwenyanga eyodwa iCzechoslovakia ihlasele  <response>: , uBrezhnev wachaza iBrezhnev Doctrine, lapho athi unelungelo lokwephula ubukhosi banoma yiliphi izwe elizama ukufaka ubuKapitali esikhundleni seMarxism-Leninism. Phakathi nenkulumo, uBrezhnev wathi: 