The "Social Gospel" of late 19th century America held that A) only the most holy of people become rich. B) the United States is God's "chosen country." C) the poor are wicked and are lesser in God's sight. D) Christian principles should be applied to society's problems.

D) Christian principles should be applied to society's problems.

Explanation:

The campaign, headed by Minister Josiah Strong, discussed the nation's most serious public issues, claiming that perhaps the Christian values must be implemented to the problems of the society.

The trend proceeded across the early 20th century, and in the last decade has even seen a resurgence of sorts.