Walter Rauschenbusch wrote a book explaining the philosophy of the social gospel in order to gain attention for the social gospel movement on a national level.
He was an American theologian and Baptist pastor who taught at the Rochester Theological Seminary.
Hence, he wrote a book explaining the philosophy of the social gospel in order to gain attention for the social gospel movement on a national level.
Therefore, the Option C is correct.
Read more about Walter Rauschenbusch
brainly.com/question/354048
#SPJ1