What does Advanced Saloon do in AoE3?

Saloon: population space +20, build limit +2; Military Wagon: can train Saloon. The game says: "Saloons now support population and can be constructed in the Exploration Age. The Saloon's Build Limit is increased."

Home City card

Advanced Saloon

Advanced Saloon (tech ID DEHCAdvancedSaloon) is a Home City card in AoE3: Definitive Edition 100.19.18309, in the decks of 2 civilizations, sent from the Discovery Age. Effect: Saloon: population space +20, build limit +2; Military Wagon: can train Saloon.

Quick answers (3)

Which civilizations have the Advanced Saloon card?: United States and Mexicans.
What does Advanced Saloon do in AoE3?: Saloon: population space +20, build limit +2; Military Wagon: can train Saloon. The game says: "Saloons now support population and can be constructed in the Exploration Age. The Saloon's Build Limit is increased."
What is the tech ID of Advanced Saloon?: DEHCAdvancedSaloon.

Saloons now support population and can be constructed in the Exploration Age. The Saloon's Build Limit is increased.

What it does

Saloon: population space +20, build limit +2
Military Wagon: can train Saloon

1 further effect (interface, visuals or AI) not listed.

Cost: 1
Sent from: I
Times it can be sent: 1
Game ID: DEHCAdvancedSaloon

In these decks

United StatesI×1

MexicansI×1

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