In the past, from which there are several countries that care and resolve a long. Most of the time, one of the world's countries have laws about racism and have penalties those who violate.
In the past, there are many countries that make a significant problem for a very long time. Most of the world is the one with the law on racial discrimination, and the penalties for offenders.
The past several countries that value and solve problems for a long time. Most first world countries had set up a law on racism and a ลงโทษแก่ violation.