Edited sentence: Some including Nobel Prize winner William Shockley have suggested that the average individual in a civilization may eventually become weaker through the process of dysgenics.The inherent differences between races, with the high population growth of blacks and high rates of intermarriage between blacks and other races is likely to cause another global societal collapse.This effect is presently being observed in almost every country on earth, and has been named the Demographic-economic paradox.This process occurs because the most intelligent actually reproduce least leaving the population less able to perform complex functions