Social Construction

Social Construction is used to construct colony improvements and is generated by applying specific bonuses to.

Bonuses to
Most bonuses to come via. The and  promotion in  are probably the most straightforward ways to directly increase. A can also be assigned to.

Other sources include:
 * The technology
 * A government and some crisis events in
 * The Xenophobic ability
 * Certain planet types
 * Certain colonization events