Supply and Oil Effects

Supply
Units are provided supplies by being connected with either Unlimited or Limited supply sources.

Unlimited Supply Sources:
 * European Axis:
 * Unlimited: Berlin, Rome, undamaged Synthetic Oil Plants
 * Japan
 * Unlimited: Tokyo, Osaka, Kagoshima, Seoul
 * Western Allies:
 * Unlimited: London, Paris, US boxes, South Africa box, Australia box, India box, Pearl Harbor, manila, Colombo
 * Russia:
 * Urals box
 * Nationalist China:
 * Chungking, Canton, Nanking, Peking, Shanghai, any Western Allied supply sources
 * Ethiopia (occupying units only)
 * Minor country capital (minor country's units only)
 * Bridgeheads (only during post-combat supply determination in the the turn they were placed)

Limited Supply Sources:
 * Minor country capital (foreign allies only)
 * Colonial capitals
 * Kiev (only if Ukraine is associated or allied with Germany)
 * Chinese objectives
 * Yenan (Communist Chinese only)
 * Russian-controlled ICs (IC hex only)
 * Nationalist Chinese supply sources to foreign Western Allied units

Restrictions:
 * The Western Allies and Russia may not use each other's supply sources, except Nationalist China using Russian supply sources
 * The Western Allies may supply Communist China only if it is not allied with Russia

Supply Lines
 * Land supply lines are a chain of adjacent friendly hexes from a supply source or Sea Supply Line termination point to a friendly unit or port
 * A supply line may not pass through an enemy Partisan or Zone of Control
 * A land unit may not receive supply from a supply source if both are within the same Zone of Control
 * Russia may trace supply through Persia only if the Persian BRP route has opened.
 * The Western Allies may trace supply to China by land only from the India box to Mandalay, and then to Kunming
 * Only limited supply may be traced into New Guinea jungle/mountain hexes, and no supply may be traced out, except to Port Moresby or Sorong
 * A land supply line may pass over crossing arrows
 * Land supply lines may pass from the Urals box to the European mapboard through adjacent hexes
 * Land supply lines may pass from the Urals, India, and Australia boxes to the Pacific mapboard through adjacent hexes
 * Sea Supply Lines
 * Sea supply lines must originate from:
 * A mapboard box
 * A port which is a supply source
 * A port in a supply zone which originates from a supply source or another port, and is not in an enemy Zone of Control
 * Sea supply lines must terminate at:
 * A port that is not a port of origin for sea supplies this supply determination segment
 * A bridgehead placed by a Seaborne Invasion
 * A one-hex island
 * New Ireland, Palawan, and Halmahera beach hexes
 * Supply through mapboard boxes must terminate at or pass through the following:
 * Atlantic US box through Atlantic SW to the Western Front and Gibraltar (1 Atlantic transport per destination hex)
 * Pacific US box through Pacific SW to Dutch Harbor, Hawaiian Islands, the Society Islands (1 Pacific transport per destination hex)
 * South Africa box to Suez, Basra, or Abadan or from India box through Pacific hex CC2 (1 Indian Ocean transport per destination hex)
 * South African supply may only reach units in the Mediterranean Front
 * Indian supply may not extend to Australia or the Pacific Front
 * Australia box through Pacific hexes NN24 or NN31 (1 Pacific transport per destination hex)
 * Supply may not be traced into or through a mapboard box