Correct answer is B, but aren't there more answer choices? If so, its B, D, and E.
Hope this helps :,)))
A megalith is a large stone that has been used to construct a structure or monument, either alone or together with other stones. The word megalithicdescribes structures made of suchlarge stones without the use of mortar or concrete, representing periods of prehistory characterised by such constructions.
During Radical Reconstruction blacks gained rights in the South that would have been unthinkable just decades earlier, and some were elected to office. Radical Reconstruction also saw the South's first publicly funded education system, economic development programs and anti-discrimination laws.
he was an american founding father who took part in writing the declaration of independence and he was the 3rd president of the US, hope this helps