Core technologies research is the most basic research in the research tower. You get the opportunity to research this research as soon as you build the first level of the Research Tower.
Here you can see an overview of the cost of each research and the bonuses it will give you
Craftsmanship
Strength training
Bunk Beds
Furnace
Tree nursery
Pickaxe
Plow
Heavy duty pack
Thirst for knowledge
Shield bearers
Power food
Interest rates
Pamphlets
Appraiser
