The predicate is the verb, or action word, and all the other modifiers in the sentence. A compound predicate occurs when the subject in the sentence is doing more than one action and is shared by two or more verbs. In this case the predicate is being both their <u>aunt and guardian</u>
Mama's decision to give quilts to Maggie has a development on the plot by creating the rising action. Mama can see that Maggie really wants and deserves the quilts. Hope that helps you