Well for one, the 13th amendment to the constitution of the US which abolished slavery - did not abolish slavery for those convicted of a crime.
So many people equate money and success with happiness, especially in the music industry.
As economic globalization gathers momentum, China and the United States have become highly interdependent economically. Such economic relations would not enjoy sustained, rapid growth if they were not based on mutual benefit or if they failed to deliver great benefits to the United States.