How do the writers in both ‘The Great Gatsby’ and’ A Raisin in the Sun’ present the challenges faced due to identity throughout their novels!?

How do the writers in both ‘The Great Gatsby’ and’ A Raisin in the Sun’ present the challenges faced due to identity throughout their novels!?

My assignment has already been started and just needs to be finished. It must include citation and a few other things that will be listen in the provided materials.