by Papa Clement Sat Apr 25, 2020 9:27 am
Welcome to the game, Vauban. I will try to answer your questions from an economic perspective since that seems to be the common theme:
1. Not quite sure what you mean by 'untaxed population' - if it is a part of the population which is taxed at 0% then simply order an increase in the tax rates. Most nations tend to consult Parliaments before doing so, but this isn't normally a problem. If the 'untaxed population' is in the colonies then you are likely to have more trouble - you could pass a law (which is likely to upset them) and even if you do then it is likely to be hard to enforce since many colonial economies were run on barter or smuggling. If this is the case then best advice is to 'ask advisors' since the best way to make it work will differ so much between countries.
2. Trade missions are always helpful, but to get the benefit you really need to have trade established with that area since they work to boost trade, not create it. They are even useful within your own country if you pick big towns.
3. Cathedrals and monasteries built in your own territory tend to boost church income (if it is of the same religion as your country), but the primary benefit is to honour/religion. Bell towers are probably one of the oddities players in the past have requested to add a bit of period detail in a particular town. Never built bell towers so try one and see if it helps.
4. Waterways - depends if it is within your own country or elsewhere. If it is within your own country then it tends to be covered by investment in canals for which it is best to be prepared and have some dredgers on hand otherwise the canals silt up. Building canals is a long term project, but someone will normally have the technology to help you out. The economic model in LGDR is not that sophisticated that you can do xyz to maximize revenue - there are lots of hidden factors. However, canals were most profitable in transporting bulky cargo, so if you want the best use out of canals then invest in coal, iron, grain, etc - the kinds of cargo that would be carried by canal. If you point this out to advisors when you are making the investment then you should get extra benefits from it.
If the waterway is simply a river then best check that the river is navigable by ship between the points you are seeking to trade - not all are. If the river is going through foreign territory then you won't be able to do much to avoid their taxes unless you sign a free trade deal with them, but that hits both ways in that it reduces your tax revenue from them. Depends on specifics so in the first instance it is probably best to 'ask advisors'.
Hope this helps.