You might like to look at Skytrax; www.airlinequality.com which rates airlines with one to five stars. Most US based carriers get three stars, as does American. The site will also allow you to view passenger's comments bout their experiences. Again, many people only comment when things go wrong, so bear that in mind.
On September 22 1862, Abraham Lincoln issued his preliminary Emancipation Proclamation, in which he declared that as of January 1, 1863, all slaves in states in rebellion against the Union shall be then, thenceforward, and forever free..
African-Americans were freed from slavery in 1865. But they were still not treated fairly in many parts of our country.