Laws can greatly affect the world and can only be appointed by the Prime-Minister. Each law lasts until the next time DEFCON One starts. There are currently 6 known Laws that can be appointed by the Prime-Minister, that affect:
Resource Priority Law: The amount of Basic and Elite Mines from a selected Resource Type to be spawned more often Globally
Building Law: Enforces a bonus or penalty to Building Speed globally
Recruitment Law: Enforces a bonus or penalty to Recruitment Speed globally
Recovery Law: Enforces a bonus or penalty to Recovery Speed globally
Sciense Law: Enforces a bonus or penalty to Science Points Recharge Speed globally
Crafting Law: Enforces a bonus or penalty to Item Crafting Speed globally