What does Archaic Soldier Combat do in AoE3?

Crossbowman: damage +15%, hit points +15%; Pikeman: damage +15%, hit points +15%. The game says: "Crossbowman and Pikeman attack and hitpoints increased."

Home City card

Archaic Soldier Combat

Archaic Soldier Combat (tech ID DEHCArchaicCombat) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 1 civilization, sent from the Fortress Age. Effect: Crossbowman: damage +15%, hit points +15%; Pikeman: damage +15%, hit points +15%.

Quick answers (3)

Which civilizations have the Archaic Soldier Combat card?: Maltese.
What does Archaic Soldier Combat do in AoE3?: Crossbowman: damage +15%, hit points +15%; Pikeman: damage +15%, hit points +15%. The game says: "Crossbowman and Pikeman attack and hitpoints increased."
What is the tech ID of Archaic Soldier Combat?: DEHCArchaicCombat.

Crossbowman and Pikeman attack and hitpoints increased.

What it does

Crossbowman: damage +15%, hit points +15%
Pikeman: damage +15%, hit points +15%

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

In these decks

MalteseIII×1

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