In at least one hundred words, discuss the motivation behind aina's desire to reconnect with her former teacher, zhu wenli, and how this desire and its conclusion develop the theme of "decade" by ha jin.

The decade   is one of twelve short stories in ha jin's collection  under the red flag.  the stories are set during china's  cultural revolution . between 1966 and 1976, china's youth rose up to purge the four 'olds: ' old culture, old habits, old ideas, and old customs.