Changelog:
- now both internal and international trade routes yield Artist and Merchant points, amount of points was nerfed from 2/5 to 3/10 of Trade Route Gold.
- normal Internal Trade routes are disabled, that means replacing Granary, Stone Works, and Workshop (that's why they appear among unique components).
- Internal Trade routes yield

Food and

Production equal to 1.5x the

Gold of the trade route.