Seems that you may need to provide your own information that you’ve gained! you haven’t included the crash course video. i would recommend watching the video over and picking out 3 things that you learned. i’ve seen crash course videos before (not the one above of course) and they’re very easy to understand and there’s TONS of info, it’s quite easy to pick out three things :)
It said that as of January 1, 1863, all slaves in the rebellious states "shall be, thenceforward, and forever free." This was issued by Lincoln to preserve the nation into a battle for human freedom.
Biased information can be found in almost anything, but is usually found in newspaper editorials, online blogs and forums, magazines, and opinion based pieces. However, when reading any kind of story/article, an author's opinions will generally show as it is virtually impossible to stay completely unbiased.