An important aspect of the current situation is the strong social reaction against suggestions that the home language of African American children be used in the first steps of learning to read and write.
I've been in a lot of trouble and come out of it. I think it shows a lot of good character.
Another cause of change, one less noticeable but fundamental, is the modern growth of population closely connected with scientific and medical discoveries. It is interesting that the United Nations has set up a special Commission to study this question.

