Rubuta ci gaba ga wannan sakin layi - An ba da rahoton cewa Sarki Ferdinand I ya karanta "Nici într-un chip cu Rusia" kuma ya amince da abin da ke ciki, kodayake ya same shi da ɗan "cinyewa". Koyaya, har ma a cikin 1915 Rosetti zai iya karanta a sarari cewa duka shi da Firayim Minista Brătianu sun karkata zuwa ga Ƙungiyar Ƙungiyar. A ƙarshe, a tsakiyar 1916, Romania ta yi yaƙi da Ƙasar Tsakiya. Bayan harin da ba a yi nasara ba a kan Austria-Hungary, Rumaniya ta mamaye ta Tsakiyar Tsakiya, tana fama da babban rashin nasara a Turtucaia
kuma a Bucharest. Sarki Ferdinand da sojojinsa, tare da tarin 'yan gudun hijirar, sun janye zuwa Iași; Romania, wanda Rasha ke tallafawa kai tsaye, kawai ta riƙe Moldavia, asalin Rosetti. A matsayin soja mai aminci, Radu Jr ya yi yaƙi da bambanci kuma ya ji rauni sosai a Răzoare-Mărășești, inda ya sami mukamin Kanar.