Verified Answer :

In
waging a total war, a nation channels all of its people into the war effort.
Well, war happens between one country to another and it includes everyone
living in that specific country. Therefore, the country will be needing its
people’s full sport when there is no other weapon available.

Answer:

C. Resources

Explanation:

My test showed which ones I got wrong, and this one marked "c" to be the correct answer, so hope this helps!