Question

It shook out their hearts the yellow leaves,scattered them over the ground.
a.who is it?whose yellow hearts did it shake out?

Answer 1

Here it is the autumn that is described as a disturbing element for the tree.

It is used as a metaphor for destructive forces that can disturb the soul, heart and body of an individual threatening their lands for selfish and ulterior motives.

They are trampled and exploited out of shape by severe conditions.