I'm currently playing a game as the French, and I've reached around the year 1700, and have absolutely no Iron in my territory. When I realized I couldn't build my railroads without Iron, a war with the Germans was needed to ensure my civilization's survival. The war didn't go very well at all. I easily took the first city (getting his only source of saltpeter), and set my sights on his only Iron producing city. My 10 cavalry eventually took the city, but it was close. I occupied the city with my wounded cavalry and had finally secured a source of Iron. The Germans then marched into my territory and took a few of my cities. Having exchanged cities and secured my source of Iron, I signed a peace treaty. I'd gotten his only source of Iron and Saltpeter, so I thought I'd just sit back, regroup and attack again in about 20 turns. There's no way the Germans could handle a long drawn out war without those two resources. Two turns later, the Iron producing German town reverted back to the Germans, despite me starving most of the German population and the addition of three French citizens to the city through workers. Oh well, such is life. I got one of my cities back because of culture too, so we were still even, although I'd lost my Iron.
Interesting story, but what's this got to do with the Subject title?
After signing the peace treaty with the Germans, I started building city improvements again, and having just gotten Industrialization, I starting building factories in almost every city. About two turns later, I lost my Iron city to culture. I then got confused (it's pretty easy these days since I haven't been getting much sleep) because when I went to another city that had just finished building a cathedral, Factory wasn't available as a choice. Thinking I may have already built it, I look through the list of current improvements, but it wasn't there. It wasn't until then that I realized you needed Iron to build factories. I had no Iron now, but the 15 cities that were currently building Factories weren't having any problems at all.
As long as you have the resource when you start to build an improvement, you can finish, even if you lose the resource while the improvement is being built.
I don't know if this is intended behaviour or not, but I thought it was worth mentioning. It's something to keep in the back of your mind if you're missing a resource and nobody will trade with you. Take it for a turn or two, start building what you need in your cities, and then offer a peace treaty, giving the city back (and getting something good in return), with the knowledge you'll probably lose it via culture shortly anyway.
Reg
Interesting story, but what's this got to do with the Subject title?
After signing the peace treaty with the Germans, I started building city improvements again, and having just gotten Industrialization, I starting building factories in almost every city. About two turns later, I lost my Iron city to culture. I then got confused (it's pretty easy these days since I haven't been getting much sleep) because when I went to another city that had just finished building a cathedral, Factory wasn't available as a choice. Thinking I may have already built it, I look through the list of current improvements, but it wasn't there. It wasn't until then that I realized you needed Iron to build factories. I had no Iron now, but the 15 cities that were currently building Factories weren't having any problems at all.
As long as you have the resource when you start to build an improvement, you can finish, even if you lose the resource while the improvement is being built.
I don't know if this is intended behaviour or not, but I thought it was worth mentioning. It's something to keep in the back of your mind if you're missing a resource and nobody will trade with you. Take it for a turn or two, start building what you need in your cities, and then offer a peace treaty, giving the city back (and getting something good in return), with the knowledge you'll probably lose it via culture shortly anyway.
Reg
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