What does Royal Dahomets do in AoE3?

Dahomey Amazon: becomes available, hit points +15%, damage +15%. The game says: "Enables Dahomey Amazons to be trained and improves them in combat."

Home City card

Royal Dahomets

Royal Dahomets (tech ID DEHCREVDahomeyAmazonsHaiti) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 2 civilizations, sent from the Industrial Age. Effect: Dahomey Amazon: becomes available, hit points +15%, damage +15%.

Quick answers (3)

Which civilizations have the Royal Dahomets card?: British and French.
What does Royal Dahomets do in AoE3?: Dahomey Amazon: becomes available, hit points +15%, damage +15%. The game says: "Enables Dahomey Amazons to be trained and improves them in combat."
What is the tech ID of Royal Dahomets?: DEHCREVDahomeyAmazonsHaiti.

Enables Dahomey Amazons to be trained and improves them in combat.

What it does

Dahomey Amazon: becomes available, hit points +15%, damage +15%

4 further effects (interface, visuals or AI) not listed.

Cost: 1
Sent from: IV
Times it can be sent: 1
Game ID: DEHCREVDahomeyAmazonsHaiti

In these decks

BritishIV×1

FrenchIV×1

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