User blog comment:Troubadour 98/The results of choosing either Stormcloaks or Imperials in Skyrim./@comment-25356303-20160302135229

Neither side seriously affects the game. For both sides, a few Jarls will be replaced and some cities like Whiterun or Solitude will be attacked (but there are few long-term effects), and some dialogue will change. Otherwise there are not many effects, so just choose whatever side you agree with more or whichever one seems more fun.