Why do the daughters call the other mothers in the Joy Luck “Auntie,” when they are not related? What is the significance of this to the story?

Rose had thought that her mother was saying “fate” when she said one had to have “faith.” How did An-Mei’s ideas of fate and faith change over time? How did they stay the same?

What were the motivations of the mothers in sending Jing-Mei to China?