This group of fighters in Vietnam hid in the jungle, used guerilla war tactics and often disguised themselves as civilians.

whole lotta ptsd going on

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.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts