Complex sentence: The government had little control over Bessarabia, which was administered by various autonomous local committees before the intervention of the Romanian Army in January 1918, when its authority was nominally restored over Romanian-controlled territories.
Split into simpler sentences: The government had initially little control over Bessarabia, which was administered by various autonomous local committees. The situation changed with the intervention of the Romanian Army in January 1918, when its authority was nominally restored over Romanian-controlled territories.