It <span>greatly damaged the ecology and agriculture of the American prairies which led to a severe drought. </span>
Workers gained higher wages.
The case Plessey v. Ferguson decided that it was legal for public schools in the United States could be segregated by race. It was late overturned by Brown v. Board of ED.
Answer: Hunting and gathering Paleoindians present in Florida, as at Warm Mineral Springs in Sarasota Co. and Page/Ladson Site in Jefferson Co.