During the 1950s land ownership was abolished and collectives were established to be followed by the creation of people's communes in china. the result:

You might be talking about the events leading to the Great Leap Forward, which broke down China’s economy and agricultural output and causing massive, deadly famine. Farmers were put to work in the communes and harvests were sold to the government at fixed rate prices, producing very little surplus. Then later, the government pushed farmers to make steel in backyard furnaces, bringing down food production and causing famine.

yes.

explanation:

because it let the japanese know who had the upper hand in the war.

the fact that could also be added to column b is that during world war ii, specifically between the years 1941 and 1945, japan expanded its territory towards the indonesian territory in what was known later as part of the "pacific war". in that time, japan could conquer the philipines, singapore,   borneo, central java, malang, cebu, sumatra and various other islands of the area, therefore expanding its territory for a brief period of time.