Miscellaneous Effects (Wonder Flags)
Sets various effects that can be toggled in any configuration. Effects are as follows:

Safe Sea Travel Units can cross seas safely
Gain Any Advances Owned by 2 Civs Owner gains any advances that are known by two or more civilizations that the owner has contact with
Double Combat Strength vs Barbarians Doubles defense value vs Barbarians of city that the wonder resides in
1 Ship Movement Increases all ship movement rates by 1
1 in Each Trade-Producing Tile Increases trade output by 1 in each tile that already produces trade
Doubles Research Output Doubles Research Output in city that the wonder resides in
Halves Unit Upgrade Cost Cost of upgrading units is halved.
Pays Maintenance for All Trade Installations Maintenance costs are waived for all buildings designated as Trade Installations
Allows ALL Civs to Build Nuclear Devices Enables nuclear weaponry for all civilizations in the game
City Growth causes 2 citizens As opposed to normal city growth of 1 citizens
2 Free Advances Two free, randomly selected advances are granted
Reduces War Weariness in All Cities All cities are less susceptible to the effects of War Weariness
Doubles City Defenses Citys defense ratings doubled
Allows Diplomatic Victory Enables the U.N. (Diplomatic) victory condition