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..
By 1680, there were some 7,000 African slaves in the American colonies, a number that ballooned to 700,000 by 1790, according to some estimates. Congress outlawed the importation of slaves to the United States as of 1808, but the practice continued. The U.S. Civil War (1861-1865) resulted in the emancipation of approximately 4 million slaves.