You cannot simply send colonists out to the New World and expect them to just build a colony. There is first a time-consuming process of preparing the expedition with everything they will need to survive in their new home. We can speed this process up, now that we have some prior experience.
Advance tree
It has no requires, so the game files don’t say where this goes. When the game builds the Discovery tree, it adds this at the end of a branch with room for it, in the same spot in every campaign.
