Yama: Research
Income
	This research find ways to increase the earnings your civilians get, therefore generating more income taxes for the kingdom.
Population
	This research explore techniques of increasing longevity of your civilians as well as increasing birth rates. This increase the overall population of your kingdom.
Trading
	This research educate a portion of your civilians to learn the art of trading and haggling, getting cheaper prices for the materials required by the kingdom.
Military Efficiency
	This research decrease the time needed to draft military units and decrease the costs in maintaining your military forces.
Military Power
	This research increase the military forces fighting power by training them to be more efficient in combat.
Food
	This research improves the farm output by better managing the irrigation system and more efficient methods of farming.
Construction
	This research helps to find tools and ways to decrease the time and costs needed for constructing buildings.