1) what river do the vietnamese use to irrigate their crops? 2) As an exporter of rice, where does Vietnam rank?

Exploration mission 2;

There are no put the options so we can assist you ! put it on then i'll answer it ! did you not put the options on intentionally by any chance?

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.