Perhaps you could say things about how allowing teens to make important decisions prepares them for adult life. They will need to make many important decisions without their parents there to make the decisions for them when they are adults.
The poem 'Harlem' is an example of free verse. The meter is irregular and there is also an irregular rhyme scheme (2nd line rhyme with 4th, 5th with 7th and 9th with 10th)