Sentence:  Augustus Baldwin Longstreet , a preacher and a college and university president in four <WSD>Southern</WSD> states , published the earliest of these backwoods sketches and in the character Ransy Sniffle , in the accounts of sharp horse-trading and eye gouging physical combat , and in the shockingly unliterary speech of his characters , he set an example followed by many after him . 
Meaning of the word marked with <WSD> tags:  in or characteristic of a region of the United States south of (approximately) the Mason-Dixon line