Final answer:
The 2019 film 'Us' starring Lupita Nyong'o prominently features Hands Across America as a symbolic event that connects to the themes of the movie.
Step-by-step explanation:
The 2019 film in question is Us, written and directed by Jordan Peele. Lupita Nyong'o stars in a dual role as Adelaide Wilson and her doppelgänger, Red. Hands Across America is featured prominently in the movie as a symbolic event that ties into the themes of duality, identity, and social inequality.