Sorry man, looks like there is zero positive light on the US in this game. I assume that is why you were hoping for a 5th ending, but this entire game is nothing but the US being evil in all aspects. Surprised I have not seen this blow up in US media.
50,000-Sherlock Holmes vs. Jack the Ripper-Art Lover 80
100,000-Dragon Age II-I Got Your Back 25
150,000-Assassins Creed III-The New Tea Party 40