The First Order is very reminiscent of iron-fist fanatical dictatorships from real life, including one that those who have studied 1930's-40's Germany will be very familiar with.

The novelization goes into more detail, and makes it sound an awful lot like child grooming.

Han and Leia's son going over to the Dark Side reads very much like your child joining a cult or criminal organization.

Billie Lourd's character wears twin hair buns in a style meant to recall the style her mother Carrie Fisher made famous as Leia.

Lor San Tekka is a desert dweller who gets killed by a cross-shaped implement after agitating a corrupt authority figure.

Rey approaching Luke Skywalker at the end of the film, holding out his old lightsaber.

For example, their reunion on the Starkiller Base.

Han and Leia's reunion, then his departure for the Starkiller Base, then his confrontation with Kylo Ren.

His story arc is about him finally returning to action, reuniting with Leia, and confronting Ben to try and talk him out from under Snoke's dark influence.

Achilles in His Tent: Han Solo turned his back on Leia and the Resistance to go back to smuggling sometime before the film's events due to his son Ben facilitating the massacre at Luke's new Jedi Temple and becoming Kylo Ren.

Kylo ren vs finn and rey