Who was believed to be responsible for the prosperity of ancient ghana? (1 point) a)khine, a chief genie in the area b)cisse c)mamadou sarolle d)bida, a serpent who required regular sacrifice

during the 20th century, the role of the vice president has evolved into more of an executive branch position. now, the vice president is usually seen as an integral part of a president's administration and presides over the senate only on ceremonial occasions or when a tie-breaking vote may be needed.

according to worldatlas.com, the u.s. has an 86% literacy rate.