Well I'm back home and I thought I'd take a look at a couple of situations that occurred at the end of our game.
First, Gandhi declaring war on us. In our SOD, only a few Workers have actually done anything this turn. We move everybody else forward leaving them exposed and India declares war. It appears he did this to gain a few cheap workers so I played around with defending them.
Case1: Leave entire SOD with Workers, no declaration (so it is tied to defense)
Case2: Leave 1 MechInf with Workers, still declares War
Case3: Leave 5 MechInf with Workers, still declares War
Case4: Leave 5 MechInf, 5 Panzers with Workers, still declares War
Case5: Leave 5 of Everything with Workers, no declaration
Case6: Leave 1 MechInf, 1 Artillery with Workers, NO DECLARATION.
So, in this case at least, the presence of 1 Defensive unit and 1 Artillery prevented Gandhi from attacking. The Artillery, for whatever reason, seems to be the key ingredient.
I also wanted to investigate the whole China building UN and calling a vote, or not, with India at war or not, and what sorts of diplomacy affected things.
First, assuming India is at war with us before we declare against China. I never quite followed Peanut's time line, and I never quite got a vote. In one case I got France and Japan allied vs China, and ROP's with everybody - no vote. Then I dropped the Alliances and sign ROP's with everybody - no vote. Then I signed a ROP with only France (since they switched on us, just to see if I can keep them on our side) - still no vote. So it appears that any improvement of the diplomatic status ended in a no vote. So I played it straight up, no diplomacy, and got a shocker: India gets Russia to ally against us, and we lose the vote, 3-4!!! The overall outcome is extremely sensitive to RNG effects; making or not making a particular trade or diplomacy deal can sway the results dramatically.
I also looked at what happens if we keep India from declaring War before we declare on China. I did the Artillery thing. In 1405 I moved everybody up to the Chinese border. In 1410 I declare on China, taking Hangchow, moving bulk of SOD to within 2 spaces of Beijing. All my units were either in or adjacent to Hangchow, or in Chinese territory; none were in Indian territory. India still declares War on us. I suspect China has a trade position to make to buy India into the war. China builds the UN, but doesn't call the vote.
I think it was really fortunate to win when we did; in a more controlled situation, I don't think China would have called the vote and we would have won according to bigchief's test results.