The 1930s Dust Bowl was caused by severe drought in prairie lands, coupled with farming techniques that left the bare soil vulnerable to wind erosion. Which sustainable farming technique would help prevent such a phenomenon from happening again

It just all depends on where you live at the moment

Answertill;

Answer. scale;

It's either  a. chiang kai-shek and the nationalists turned against the communists and killed hundreds of them. orb. hundreds of peasants were killed in shanghai during the period of warlord rule.  if we take into account that there was warlord rule at the time, i think that it's b (not entirely sure though)just my best thoughts.