Arrange the following historical events related to extension services in the United States of America in the order of their occurrence from earliest to latest:
(A) The Morrill Act that established Land Grant Universities
(B) The Hatch Act that established Agricultural Experiment Stations
(C) Dr. Seaman A. Knapp sets up a demonstration that became a key technique for extension work
(D) The Smith-Lever Act that established the national cooperative extension system
Choose the correct answer from the options given below: