Original sentence: During this period Baltic states were first occupied by the Soviet Union (see: Molotov-Ribbentrop Pact), then by the Nazi Germany and subsequently retaken from Germany during the Baltic Offensive and reoccupied by the Soviet Union
Edited sentence: During this period Baltic states were first occupied by the Soviet Union (see: Molotov-Ribbentrop Pact), then by Nazi Germany and subsequently retaken from Germany during the Baltic Offensive and reoccupied by the Soviet Union