Rubuta ci gaba ga wannan sakin layi - A 1939, ya zama Ministan Harkokin Waje. A cikin shekaru biyu masu zuwa, ya yi ƙoƙarin tabbatar da tsaka tsaki na Romania, wanda aka kama tsakanin Jamus da Tarayyar Soviet. Kokarinsa ya sami tabbacin daga Faransa da Burtaniya, wanda duk da haka ba a girmama shi ba. Bayan da Hungary ta haɗu da Arewacin Transylvania sakamakon Kyautar Vienna ta Biyu, kuma Bessarabia, Arewacin Bukovina, da yankin Hertza sun haɗu da Tarayyar Soviet
a shekarar 1940, an tura shi a matsayin jakada zuwa Moscow, inda ya kasance har zuwa farkon yakin da Soviet Union a ranar 21 ga Yuni 1941. Daga nan ya zauna a Geneva, Switzerland.