Why was it necessary for congress to pass the 15th amendment even though the 14th amendment gave equal citizenship to african americans?
a) because the 14th amendment did away with the poll tax and literacy test
b) because the 14th amendment prohibited the practice of slavery in all states
c) because the 14th amendment did not specifically protect african americans' voting rights
d) because the 14th amendment did not allow the southern states to secede the union

10 points per question and brainlist 1. name four of the ruling dynasties of china. describe at least three contributions to society from each dynasty. 2. why did the qin ruler zheng burn chinese literature and philosophy books? how did the han dynasty establish a strong and effective government? why did people rebel against the sui rule? 3. what new technologies were invented during the tang dynasty and fully developed in the song dynasty that would eventually have a great impact on the world? explain why this technology had such an impact. 4. who were the invaders that seized control and took over the song dynasty? 5. how was china's history affected by its policies of isolation from the outside world during the ming dynasty?