Complex sentence: In order to coordinate the efforts of the Kiev and Odessa military districts in the preparation of action against Romania, the Soviet Army created the Southern Front under general Georgy Zhukov, composed of the 5th, 9th and 12th Armies.
Split into simpler sentences: In order to coordinate the efforts of the Kiev and Odessa military districts in the preparation of action against Romania, the Soviet Army created the Southern Front under General Georgy Zhukov. This was composed of the 5th, 9th and 12th Armies.