What does Adoption do in AoE3?

Villager: train time −25%, XP for building +250%; Affected By Villager Upgrades: train time −10%, XP for building +0%. The game says: "Arrives fast! Villagers train faster and grant significantly more XP when trained."

Home City card

Adoption

Adoption (tech ID HCXPAdoption) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Fortress Age. Effect: Villager: train time −25%, XP for building +250%; Affected By Villager Upgrades: train time −10%, XP for building +0%.

Quick answers (3)

Which civilizations have the Adoption card?: Lakota.
What does Adoption do in AoE3?: Villager: train time −25%, XP for building +250%; Affected By Villager Upgrades: train time −10%, XP for building +0%. The game says: "Arrives fast! Villagers train faster and grant significantly more XP when trained."
What is the tech ID of Adoption?: HCXPAdoption.

Arrives fast! Villagers train faster and grant significantly more XP when trained.

What it does

Villager: train time −25%, XP for building +250%
Affected By Villager Upgrades: train time −10%, XP for building +0%

Cost: 1
Sent from: III
Times it can be sent: 1
Game ID: HCXPAdoption

In these decks

LakotaIII×1

Source: techtreey.xml and the Home City files, AoE3: DE 100.19.18309 (build 25040513).