America can and needs to be buffed in multiple ways:
(1) Minutemen: Riflemen with March, upgrades into Infantry/Marines/Mech Infantry. Represents the 2nd Amendment.
(2) Mall provides more Happiness.
- The Mall in BTS was balanced for every civ starting at the same time. In RFC America lacks Happiness due to its unique lack of Religions.
- 2 of 3 American leaders in BTS are Charismatic. That gives free Happiness.
- America's UP in RFC gives it Happiness problems.
(3) UP's immigrants bring foreign Religions. This will also help with Happiness.
(4) Better GP rate/Tech rate/starting tech/foreign relations (for tech trade).
- With the recent Representation nerf, American tech rate is more abysmal than ever and SoL don't help as much anymore.
- America is unlike other modern civs, who can and should emphasize/beeline one tech (England = Mass Media, Russia = Electricity, Germany = Industrialism, France = Radio, Japan = Assembly Line). America needs to fast tech Assembly Line, Industrialism, Mass Media, Combustion, Refrigeration, Plastics, all AT THE SAME TIME, because of their UU, UB, and UHVs. And that is the bare minimum essentials. To be even half decent you also need to be among the first to Electricity, Radio, Fascism, Flight, and even Computers.
- Unlike in BTS, America is really crippled in terms of espionage because of their late start. You won't have Espionage advantage unless you beeline Communism, which will make you fail UHVs on Emperor, and which is the opposite of what the American civ (with its UB and UHV) is designed for (i.e. Free Market Capitalism).
- Current tech rate is so slow that by the time you acquire all the essential techs of this civ the game is usually long over.
In particular I feel America needs to have a hidden buff with foreign civs in terms of tech trading. That is the only way they can keep tech parity on Emperor IMO, because it's impossible for them to beeline everything (an oxymoron in itself).
(5) Less revolts in captured European colonies & make Sistine Chapel only work for cities on the same continent. Currently the only way America can go forward is to collapse every colonial civ who has good cities in North America. Otherwise the revolts alone would mean you'll stagnate in the 18th century.