Pedzisa mutsara unotevera: Kusiyana nokuyera kwevamwe vezvenhau dzeBulgaria nzvimbo yeRomania haina kuneteswa neGermany asi panzvimbo pezvo neSoviet Union. Mushure mokunge
Mushure mokupinda muBessarabia muna June 1940, USSR yakaona Bulgaria senyika ine ushamwari kupfuura Romania uye yakafunga kuti zvaizova mukufarira kwayo kuva nomuganhu wakafanana neBulgaria. Nokudaro, hurumende yeSoviet yakanga ichikurudzira vaBulgaria kuti vasagutsikana neCadrilater, asi kuti vakumbire kuendeswa kwesimba rayo pamusoro peDobruja yose. Kunze kwokusika muganhu wakafanana pakati peSoviet Union neBulgaria, izvi zvakaratidzawo mukana weSoviet Union wokuwana kudzora Danube Delta. Sezvo Delta yakanga isiri chikamu cheDobruja, ingadai isina kubatwa neBulgaria, asi mukana weRomania wekuchengetedza hutongi pamusoro penzvimbo iyo yaigona kungopinda kuburikidza neDanube yakakomberedzwa nenyika dzisina hushamwari, yaive isina chokwadi. Pavaiva pamusangano, Mambo Boris III weBulgaria akaudza Eugen Filotti nezvezvaidiwa neSoviet. Ikoku kwakasunda vaRomania kukurumidzisa kurukurirano ndokusvika chibvumirano Soviet Union isati yapindira nenzira ine utsinye zvikuru.