Which MOST ACCURATELY identifies the relationship between Armistice Day and Veteran's Day?

Responses
A Armistice Day occurs earlier in the year than Veteran's Day.Armistice Day occurs earlier in the year than Veteran's Day.
B Veteran's Day occurs earlier in the year than Armistice Day.Veteran's Day occurs earlier in the year than Armistice Day.
C Both involve honoring veterans. Veteran's Day replaced Armistice Day after World War II.Both involve honoring veterans. Veteran's Day replaced Armistice Day after World War II.
D Both involve honoring veterans. Armistice Day replaced Veteran's Day after World War I.

C Both involve honoring veterans. Veteran's Day replaced Armistice Day after World War II.