In The Good Earth what is the resolution of the narrative and are there any propaganda techniques used?Pearl S. Buck's The Good Earth

Having gone from a poor farmer who eked a living from the
earth to one who prospered, and then to a starving man who clung to that which had
sustained him--his land--selling only part of it in order to survive, Wang Lung moves
back after the Great Famine, and because he yet owns land, he is able to provide for his
family.  He acquires more and becomes wealth, but in his wealth he becomes arrogant and
selfish, even acquiring a mistress whom he moves into his enlargened house.  When he
becomes disenchanted with Lotus, his mistress, because she disparages his family, Wang
Lung returns to the fields; working in them makes him again feel close to the earth.  He
understands the tangible value as the well as the spiritual of physical labor in
tillining the soil.

His sons, however, do not understand
the connection of man with the earth.  Later, after the deaths of his father and wife
and the attained adulthood of his sons, Wang Lung moves into the inner courts of the
House of Hwang.  But, there is much conflict among members of the family.  Marauding
bandits arrive, lead by Wang Lung's uncle's son; with this tension, Wang Lung offers the
young man a mistress which helps to placate him some.  Still, Wang Lung can find no
peace, so he returns to his land where he live out the remainder of his days in peace. 
Pear Blossom tries to warn him about the older sons' ambitions, but he cannot understand
and forgets when he looks out onto his land, which has always saved him.  One day he
hears his first two sons discussing a plan to sell the
land.

Hearing these foreboding words, Wang Lung cries out,
"Now, evil, idle sons--sell the land!"  Quickly, they assuage him, "No--no--we will
never sell the land--"  They hold him tightly as he tightly holds the land.  Again, they
reassure him; but, over his head they look at each other and
smile.

Clearly, they have no intention of obeying their
father as they do not feel the visceral connection of man and land as does Wang Lung,
for they have not watered the earth with their sweat and tears as he has.  With this
very emotive final paragraph Pearl S. Buck certainly underscores her theme of the love
of land; for "to lose connection with the land is to lose connection with
life."

Pearl S. Buck's emotional ending certainly appeals
to the heart of the reader as well as suggesting that to think that the land is the
source of life is unequivocably correct.  This coud, perhaps, fall under the propaganda
technique of emotional appeal.