Yes we could predict that they would be reunited later in the story because no one can live without their parents
I don't remember anything about an "extended metaphor," but the poem's main focus is to remind herself that while she loves the earthly comforts of her house and all her material things... it is important to not over-love them and instead think of all the spiritual rewards that are awaiting her in heaven.
The best thing you can do is be very detailed. For example if the drawing was about a tree, explain the branches and the leaves and the background. You can never have to many details! hope this helps! :)
Yes they both were territories of the united states.