Yeltsin was supported by democratic and conservative members of the Supreme Soviet, who sought power in the developing political situation. A new power struggle emerged between the RSFSR and the Soviet Union. On June 12, 1990, the Congress of People's Deputies of the RSFSR adopted a declaration of sovereignty.
According to Jović, on 27 June 1990 he and Veljko Kadijević, the Yugoslav Defense Minister, met and agreed that they should, regarding Croatia and Slovenia, "expel them forcibly from Yugoslavia, by simply drawing borders and declaring that they have brought this upon themselves through their decisions". According to Jović, the next day he obtained the agreement of Milošević.