Research:Well Construction / Well Digging/Effects

Allows:
 * 1) + 50 happiness in your Capital only
 * Cumulative with Museum level's + various.
 * Cumulative with Tavern level's + various.
 * Cumulative with Corruption from low level Palace / Governor's Residence's, in that city - (0 – 92)%. (0 – .08) (if active)
 * Cumulative with Governmental advantages/disadvantages : (if active)
 * Advantages:
 * Democracy's happiness in all cities + 75.
 * Theocracy's happiness in that city + 0 – 150.
 * Disadvanteges:
 * Aristocracy's corruption, in all cities - 3%. (.97)
 * Dictatorship's happiness, in all cities - 75.
 * Nomocracys corruption, in all cities - 5%. (.95)
 * Oligarchy's corruption, in all cities - 3%. (.97)
 * Theocracy's happiness for not having a Temple, in that city - 20.
 * 1) * Capital: Producing an approximated minimal Town hall happiness - 25 – + 200.
 * 2) * Colony: Producing an approximated minimal Town hall happiness - 75 – + 150.
 * 3) + 50 housing space in your Capital only.
 * Cumulative with Town hall level's capacity + various.
 * 1) * Capital: Producing an approximated minimal Town hall capacity + 50.
 * 2) * Colony: Producing an approximated minimal Town hall capacity + 0.