Tides of Trade - Expansion Review - Beyond The Base Game

About Wayfarers of the South Tigris: Tides of Trade, from BoardGameGeek:

In Wayfarers of the South Tigris: Tides of Trade, new opportunities for commerce have opened up beyond Mesopotamia. We must document new lands, establish trading posts, and oversee a greater increase in advanced technologies for the work ahead. Tides of Trade gives players the means to upgrade their workers, recruit traders, and compete for influence over the new red guild. The expansion also includes a flurry of additional cards for each draw pile. Main features of the expansion: A board to upgrade your workers in a similar way to upgrading dice Adds a 4th (Red) minaret, and therefore a new area control spot and a new way to spend influence Trader Tiles and new Overseer Townsfolk which bring powerful new actions into the game New cards for each of the various decks -description from designer