As I see it there are 5 main areas of modding:
1. Data - configuration data and game text
2. Art Content - models, textures, sounds
3. Story and Events - linked events that unfold stories
4. Game Logic - code or data that strongly influences how the game plays
5. Mod Management - installing mods ...

How can I play DW2 on my monitor #2 ?

I can set it to windowed and move it all right, but selecting fullscreen thereafter moves it back to monitor #1

Alt—Enter just causes weird stuff.

Windows–shift– right/left arrow does not help either.

Monitor #1 is a 4k non-sync.

Monitor #2 is a 2560x1440p ...

> I haven't advanced any closer to meeting the victory conditions

If you press V you'll get to the victory screen.

There's 4 different "categories" that each can give you max 25% score. You need 70% score (default, can be changed).

The categories are Economy, Population, Territory and race ...