Notes about War with the AIs:
Send all our spies into AI lands. Possibly build up Espionage against Churchill. It would be neat if spies could clear Fallout, but that is only wishful thinking on my part, or is it? The spies can sabotage Uranium Mines just before we declare war.
Mao Zedong and Churchill do not appear to have Uranium, so they may not have a stock pile of ICBMs or Tactical Nukes. Roosevelt and Gandhi do have Uranium, so they could have a stock pile or start building nuclear as soon as we submit our DoW.
We should target all an AI's Uranium sources before a DoW or via airstrike on the 1st turn of the War. If they have no Workers nearby to rebuild the Uranium Mine, great; if not, attempt to pin down or kill their workers and take the nearest city if necessary.
We should airlift Infantry or Marines to our undefended island cities near the enemy.
We probably should skip building West Point (SugarPig), since it takes so long (5t); build an Airport there instead.
War with Mao Zedong:
We should be able to roll Mao very quickly and clear the fall out. I intend to do this in the next 1-2 turns and capture his close cities and clear the fallout in very quick time. He should offer peace once he has lost a few cities. Not concerned about even giving up something to get peace once all the fallout is cleared.
Consider taking Nanjing and Hangzhou on the turn of the DoW, so no interruption of Railroad (I built) to Churchill's lands will result, nor will Open Borders with Mao Zedong be required after he submits.
Mining, Inc. resources in Chengdu and Nanjing; taking these cities will increase Base Hpt in all our Mining, Inc. cities by 2 for the Coal each city is settled on and by 3 when the Chengdu Gold Mine is completed.
Guangshou has two Great Wonders, The Hanging Gardens and Broadway; may be worth taking, but it is a Hill City.
Before we DoW Mao Zedong, we should give him a crappy city like our Fur City, so we can freely take all his cities on our continent providing cities near the front to Roosevelt and Churchill which will take them time to cross by land, since their Open Borders with Mao Zedong would then be useless to them.
Civics Choices and Slider Settings:
I think that switching to Universal Sufferage, putting the cash slider at 0% and buying airports in cities close to the front and production centres is a good idea. Can also upgrade troops in the front lines as well.
I don't think you meant "cash" slider at 0%, because we need it to be at 100% where currently is for maximum military production. Perhaps you meant minimize Wealth production, but that is already the case, except for cities whose production is too small (<= 20+SS or <= 40 Hpt) to build anything of value in a single turn.
I have been building Workers in cities with more than 120 Hpt production and this produces significant Wealth overflow. If we start producing larger military units (Modern Armor, Bombers, Mechanized Infantry [Robotics], Mobile Artillery [Laser]), we will need to dedicate some cities to producing Wealth and/or maximize Merchant specialists.
Universal Suffrage would only be useful for adding 1 Hpt for each Town, but with Sid's Sushi providing all the food we need, we should turn some of these Towns to Workshops, but not all as it hurts our Economy. (BTW, I was frustrated that many cities that should have contained Banks did not etc., but such criticisms can be looked at again in our next SGOTM.) If we are done with Researching, we should switch to
Police State for +25% Military production!
Airports:
In any case, we don't need Airports near the front, because airlift requires an Airport only at the source of a airlift and not at its destination. We actually need Airports in cities far from the "front". It may be useful to build Airports in all our high production cities far from the front this turn, even if it takes more than 1t.
Note that an Airport can only airlift one unit per turn and the receiving city can receive only one airlifted unit per turn.
How Long to wait before War with a particular AI:
How long to give the others to show some clearing intent before declaring on them?? Don't want to leave it too late. Will try the tactics that Sun outlined above as well.
In my opinion, we should DoW cities in sequence as needed when we have sufficient workers to clear the Fallout and military units to protect the workers:
Mao Zedong -> Roosevelt -> Gandhi -> Churchill
Most of the non-BFC Fallout is accessible from the Shore, so we can quickly DoW, have enough workers to clear each Fallout in 1-2t and quickly gain a Cease Fire or Peace Treaty (hopefully in just a few turns).
With the exception of Mao Zedong, I'd wait for the AIs to clear Fallout in any of their BFC plots. Once they have Fallout in only non-BFC plots, target and clearing those must be the 1st priority; once that is done, take their cities until they are willing to accept a Cease Fire or Peace Treaty.
Peaceful (excluding Mao) Ferry Routes:
Regarding sending the AI settlers, set our 4-6 largest cities nearest the "front" to settler; they will build in 1t with Wealth overflow; sent them by railroad to their target plots in AI land. We must send a few galleons or transport to ferry units between our Shores, Churchill, Roosevelt and Gandhi's main island (Liverpool <-> York [build railroad to Liverpool], Lahore <-> Agra or Calcutta, Boston <-> Pataliputra, and maybe West Shore of Marseilles <-> Oxford)
Sun Tzu Wu