Complex sentence: When the new ROC government apologised for the actions of the Qing and offered to restore the Dalai Lama to his former position, he replied that he was not interested in Chinese ranks and was assuming the spiritual and political leadership of Tibet.
Split into simpler sentences: When the new ROC government apologised for the actions of the Qing and offered to restore the Dalai Lama to his former position. He replied that he was not interested in Chinese ranks and was assuming the spiritual and political leadership of Tibet.