Which civilizations have the American Patriotism card?

British, Dutch, French, Swedes, Italians and Poles.

What does American Patriotism do in AoE3?

State Militia: train time −45%; Regular: train time −35%; Revolutionary Sharpshooter: train time −35%; Grenadier: train time −25%. The game says: "Unique American unit shipments and units enabled by them arrive and train faster."

Home City card

American Patriotism

American Patriotism (tech ID DEHCREVCTrainTimeUS) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 6 civilizations, sent from the Industrial Age. Effect: State Militia: train time −45%; Regular: train time −35%; Revolutionary Sharpshooter: train time −35%; Grenadier: train time −25%.

Quick answers (3)

Which civilizations have the American Patriotism card?: British, Dutch, French, Swedes, Italians and Poles.
What does American Patriotism do in AoE3?: State Militia: train time −45%; Regular: train time −35%; Revolutionary Sharpshooter: train time −35%; Grenadier: train time −25%. The game says: "Unique American unit shipments and units enabled by them arrive and train faster."
What is the tech ID of American Patriotism?: DEHCREVCTrainTimeUS.