Original sentence: However when the war did end, Soviet troops stationed in northwestern Iran not only refused to withdraw but backed revolts that established short-lived, pro-Soviet separatist national states in the northern regions of Azerbaijan and Kurdistan, the People's Republic of Azerbaijan and the Republic of Kurdistan in late 1945, both effective Soviet puppet regimes
Edited sentence: However when the war did end, Soviet troops stationed in northwestern Iran not only refused to withdraw but backed revolts that established short-lived, pro-Soviet separatist regimes in the northern regions of Azerbaijan and Kurdistan, the People's Republic of Azerbaijan and the Kurdish People's Republic in late 1945, both effective Soviet puppet regimes