The country with the parliament can choose between a few randomly picked issues, and then have a number of years to secure enough votes for the issue to go through. Countries with parliaments have to grant a certain number of their provinces seats in parliament, which then allows those seats to vote on issues.
Devotion affects your papal influence, church power, prestige and tax income. Devotion goes up from high stability and pious acts and goes down from low stability and low religious unity. Theocracies now have devotion, which is similar to legitimacy and republican tradition.Theocracies now have heirs that are chosen by event, with each choice having a different effect and unlocking certain events that can happen once that heir becomes monarch.Fewer, more powerful buildings means that every decision about construction has greater importance – if you want a manufactory and have no building slots in Champagne, what will you destroy? By spending monarch points, you can now customize your trading hubs or make great recruiting centers.
The more developed a province is, the greater wealth and power you can squeeze out of it. Building space in a province is now limited by its terrain and development value. The most significant modification in Common Sense is the new provincial development system.