Complex sentence: Saburov was born in 1900 in the town of Druzhkivka in the modern Ukraine, and joined the Communist Party in 1920, serving in a detachment with the aim of suppressing resistance to the Communist regime.
Split into simpler sentences: Saburov was born in 1900 in the town of Druzhkivka in what is now Ukraine. He joined the Communist Party in 1920, serving in a detachment with the aim of suppressing resistance to the Communist regime.