Could it really happen? For many viewers, the story of America at war again is a warning about the future.
Harrowing film imagines new US civil war

Glossary
Gaza - The smaller of two Palestinian territories, home to two million people. It is located on the Mediterranean coast, bordered by Israel and Egypt.
Ukraine - A country in Eastern Europe. It was invaded by Russia in February 2022.
USA - The United States of America is a country in North America. It has a population of 329 million.
Civil war - A war between people from the same country.
President - In some countries, the leader is called the president.
Black Lives Matter - A political movement which aims to challenge police brutality and racism towards black people all across the world, usually using protests and other means of activism.
Capitol - The building in Washington DC where the US Congress meets. It was named after the Capitoline Hill in Rome.
6 January - Then-US president Donald Trump was accused of inciting a mob of his supporters to storm the US Capitol on 6 January 2021 in a bid to overturn the 2020 election results.
Donald Trump - An American politician, media personality, and businessman serving as the 47th president of the United States since January 2025. A member of the Republican Party, he previously served as the 45th president from 2017 to 2021.
Extreme - Very great, or beyond what is expected.
Moderate - As a verb, make less extreme or intense.
Fiction - Things that are fictional are made up.
Election - A vote in which someone is chosen to represent a group of people.