Which item would be considered a secondary
source on World War I?
(1) map used by General Lanrezac in planning
for the Battle of the Marne
(2) diary of a soldier who fought in the Battle of
the Somme
(3) rifle instruction manual used by a Russian
soldier on the Eastern Front
(4) magazine article on the 75th anniversary of
the poem, “In Flanders Fields”



Answer :

"(4) magazine article on the 75th anniversary of the poem, “In Flanders Fields” would be an example of a secondary source on World War I. The others are primary.