There will be a sequence which pretends to be the end of the game but obviously isn't -- if for no other reason than because you're still on Disk 1 of 4.
Trade of technology will not exist. One place in the world will have all the techno-gadgets while all the others will be harvesting dirt.
Whenever someone asks you a question to decide what to do, it's just to be polite. He or she will ask the question again and again until you answer "correctly."