Answer:
17 Passed by Congress: May 13, 1912 Ratified: April 8, 1913
18 Passed by Congress: December 18, 1917 Ratified: January 16, 1919.
19 Passed by Congress June 4, 1919, and ratified on August 18, 1920
20 Passed by Congress March 2, 1932. Ratified January 23, 1933.
Explanation:
