And now, one of the most unfairly maligned men in American history gets his spot. Presenting someone Bill Bryson once described as "the only man for whom being elected President was a bad career move":
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America - Herbert Hoover
Start Bias: Hills
Capital: standard American
UA:
They Shall Be Fed!
Trade Routes sent to foreign Cities and City-States generate

Food for the target City. Gain a percentage

Building Production bonus in all your Cities equal to double the amount of

Food generated. +1

Gold from Mines.
UU:
Humanitarian (replaces Great Merchant)
Rather than a Trade Mission, the Humanitarian instead has the ability to conduct an Aid Mission. This does not generate any

Gold, but instead generates double the amount of Influence with the target City-State and gives a bonus positive relations boost to any Major Civilizations who are Friendly with that City-State. It may also be expended to hurry Production and grant a permanent +10% bonus to the

Food output of a foreign City, and doing so increases the

Gold generated in all your Cities and from Trade Routes you send by +15%.
UB:
Public Works Project (replaces Hydro Plant)
Costs 33% more to build than the Hydro Plant it replaces and may not be bought with

Gold. However, in addition to providing +1

Production from River Tiles, the Public Works Project also grants a large, flat amount of a randomly-selected yield upon its completion equal to the amount of

Production spent on it

c5culture: Culture,

Science,

Faith,

Golden Age points,

points towards a random Great Person, and

Tourism with a randomly selected Major Civilization), generates +1

Local Happiness, and does not require Aluminium.
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This is possibly the weirdest Civ I've ever designed and I love it. In case anyone's wondering, the UA comes from a quote regarding the 1921 famine in Russia. When someone questioned Hoover that sending humanitarian aid to Russia at the time could be construed as aiding and abetting Bolshevism, he responded (one can only imagine in thunderous tones), "Twenty million people are starving. Whatever their politics,
THEY SHALL BE FED!". Hoover was a great man and a good man, who happened to base his 1928 election campaign on ending poverty in America before the stock market went belly-up and completely torpedoed his re-election chances. What it didn't do was stop him helping his fellow man; after WWII, he set up a free school meals program in West Germany known as the Hooverspiesung, or Hoover meals. It is, I think, how he would like to be remembered; as a man for whom good must be done, regardless of political expediency.
It's an interesting proposition to design a Civ based around helping other Civs, and I wanted to do one for Bert. Hopefully it's of interest to someone. =]