Simplify the following text for a Grade 12 native English-speaking person.
Original: The Western Allies ( the USA , Britain and France ) never formally acknowledged the authority of the East German government to govern East Berlin ; the official Allied protocol recognized only the authority of the Soviet Union in East Berlin in accordance with the occupation status of Berlin as a whole .
Simplified: The Western Allies ( the USA , Great Britain and France ) only recognized the power of the Soviet Union in East Berlin in accordance with the occupation status of Berlin as a whole .