Answer:
They learned that giving makes you feel good afterward and is worth it in the end, even if you are unwilling to at first. The children all love their mother and want to please her, so they give food and Christmas gifts to the poor children, as she asks them to. Because they do this, their mother rewards them with a feast of fine foods.
Explanation:
This was difficult and I was unable to read the full chapters but I skimmed them and deduced this.
Here are some links to where I read them. They also have audios to be read to you :)
https://etc.usf.edu/lit2go/36/little-women/408/part-1-chapter-1-playing-pilgrims/
https://etc.usf.edu/lit2go/36/little-women/409/part-1-chapter-2-a-merry-christmas/