How does this yellow compare to Spain's or Egypt's?
You could have the civ spawn in 1770 and have their UP be that settlers cannot be produced, but cities founded in Australia or New Zealand flip over to Australia with 50% of the foreign nation's culture. In return, a relation boost happens.
It could expire in 1900.
I actually like that one.Or, all units have Amphibious Invasion
You mean amphibious promotion?