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Answer:
The Molly Maguires were an Irish 19th-century secret society active in Ireland, Liverpool and parts of the Eastern United States, best known for their activism among Irish-American and Irish immigrant coal miners in Pennsylvania. After a series of often violent conflicts, twenty suspected members of the Molly Maguires were convicted of murder and other crimes and were executed by hanging in 1877 and 1878. This history remains part of local Pennsylvania lore and the actual facts much debated among historians.[1]
The correct answer to this open question is the following.
The South Carolinian that spoke out against integrating public schools in South Carolina was Strom Thurmond.
Strom Thurmond (1902-2003) was a politician and Congressman from South Carolina. For almost 48 years he was a Senator from his state. He was a racist and opposed the Civil Rights Act of 1964 and did not hide his opposition to integration. To the opposite, he always supported racial segregation in South Carolina.