This research is about improving your economic skills. For example, research of food, mead and honey production, transport capacity of market barrows, reducing the time needed to move between kingdoms and many other useful researches.
Steel tires
Pitsaw
Wedging
Levies
Wheelbarrow
Cash transport
Three-field crop rotation
Reinforced axle
Caravan
Genius
Artisan blacksmith
Medicine
Fire pump
Honey pots
Northman tanktards
