To chronologically order these events, their historical dates are required:
Based on these dates, the chronological order is:
(C) An Enquiry into the Nature and Causes of the Wealth of Nations (1776)
(D) The birth date of John Maynard Keynes (1883)
(B) The Economic Consequences of the Peace (1919)
(A) General Theory of Employment, Interest and Money (1936)
The correct chronological sequence is: (C), (D), (B), (A).