Cika wannan jumla: Bayan gazawar
Bayan mamayewar Italiya ta Girka, Nazi Jamus ta buƙaci Bulgaria ta shiga Yarjejeniyar Tripartite kuma ta ba da izinin sojojin Jamus su wuce ta Bulgaria don kai hari kan Girka don taimakawa Italiya. Firayim ministan Bulgaria ya rattaba hannu kan yarjejeniyar a ranar 1 ga Maris 1941; Sojojin Jamus sun haye Danube zuwa Bulgaria a wannan ranar. Barazanar yiwuwar mamayewar Jamus, da kuma alkawarin yankunan Girka da Yugoslavia, ya jagoranci tsar da gwamnatinsa su sanya hannu kan Yarjejeniyar Tripartite a ranar 1 ga Maris, 1941. Tsar Boris III da firaminista Bogdan Filov dukansu an san su da kasancewa masu sha'awar Adolf Hitler.