What are the details in the film "Once Upon a Time in America" ??that are full of meaning and reminiscent of others?

The film has many meaningful and evocative details. For example, when Noodles finally got his wish and was able to kiss and narrate the story with the angelic Deborah, he chose to follow the call of Max outside the store. This may be understood as a call to stimulate life on the streets. In the end, Deborah also closed on Noodles. The door of his shop seemed to have closed a door to another life for him. From then on, Noodles completely took to the streets and embarked on the life of a gangster.

There is also that child who brought a cake to please his "lover" while waiting outside the door. He first ate some cream, and then couldn't resist the temptation and ate the whole cake. "After appearing, I was panic-stricken. There is also the weak saying "I slipped" after the youngest child was shot to the ground, and the last beautiful thing he did in his life was touching the wad of banknotes. After that, the young child "slipped and fell" ”, the American dream is completely shattered.

The angry noodles avenged the "slip" child, but were imprisoned. Here, their street boyhood was over, and it seemed that from that moment on, their life direction was destined. The frivolous and beautiful youth days are gone, and now they have grown up, and what awaits them is an adult story of fighting, killing, and intrigue.