Laissee Faire ( let alone policy)
Division of labor
Wealth of nation
It had to give up industrial complex, all the other answer Germany had to give up after WW1
The correct answer is option D " …in a changing world worthy institutions can be conserved only by adjusting them to the changing time". Calvin Coolidge was the 30th president of the United States, a republican lawyer that had a successful political life. His philosophy against active government was that institution should change with the government in order to stay active and productive to the society.