this is the definition: this is the lunar phase that occurs when the moon lies between earth and the sun and the moon is not visible to the naked eye

Here is a picture  of the net. its 4 squares in a row diagonal and on the third draw one square aove and under

I'm pretty sure it's c. extremely gradual but not 100% sure though.

Ithink a hope that

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.