Sentence:  The fact that he has cast over those materials the light of a skeptical mind does not make him any the less Southern , I rather think , for the South has been no more solid than other regions except in the political and related areas where patronage and force and intimidation and fear may <WSD>produce</WSD> a surface uniformity . 
Meaning of the word marked with <WSD> tags:  cause to happen, occur or exist