Which pieces of evidence best explains the cause of an increased number of hungry people during a war?

I dont know what the" peices of evidence' part means but I do know that the amount of people that went hungry because of the war is the fact that most of the food went to the milaitry and the community was limited

Explanation:

hold on ill go look

the causes of the dust bowls were severe droughts,   lands became dry and hard, temperature was higher than usual, hot and dry conditions killed crops, high winds. because of those factors, the winds kicked up dry soil and created clouds of dust.