Pullman porters helped fuel the Great Migration, shaped the Black middle class, and laid the groundwork for the Civil Rights movement. Clarence William "Pullman Porter Blues" Copyright Disclaimer under section 107 of the Copyright Act 1976, allowance is made for “fair use” for purposes such as criticism, comment, news reporting, teaching, scholarship, education and research. Fair use is a use permitted by copyright statute that might otherwise be infringing.