[@DepressedSoviet]

I'm glad you have gave interest! [url=http://masseffect.wikia.com/wiki/Mass_Effect_Wiki]Here is a wiki link.[/url] I would recommend looking up information of the First Contact War, the Rachni Wars, and the Krogan Rebellions. Also feel free to look up any races you wish but I would recommend sticking with Asari, Salarian, or Turian, if you do not have specific knowledge on races.