| Unit Information | Game Strategies | History |
Increasing the gather rate
There are no technology upgrades to increase the income from Caravans. However, two wonders will increase the overall Wealth production, including that from Caravans: The Colossus adds 30% and the Taj Mahal adds 100% to Wealth production. Connecting Spice, a rare resource, with a Merchant increases all Caravan income by 20%.