Intelligent intelligence testing. Psychologists are broadening the concept of intelligence and how to test it. Standardized intelligence testing has been called one of psychology's greatest successes. It is certainly one of the field's most persistent and widely used inventions.
During Reconstruction, the Congressmen who wanted to punish the South for starting the Civil War were: Southern Redeemers. Northern Democrats. Radical Democrats. Radical Republicans.
This is why the actions of white working class people helped to end slavery. The final reason for the abolition of slavery were the actions of white middle class people in Britain. Some middle class campaigners were Granville Sharp and William Wilberforce. Granville Sharp helped black slaves get freedom.