I wanna be helpful and I'm pretty sure it's A, but I also believe that people were paid to move
Answer:
Sunni and Shiite Muslims are both sects of the Islamic faith, the differences between these two groups stem from conflicting religious beliefs. And Political conflict separates the groups as well Saudi Arabia, a Sunni nation, and Shiite Iran continue to compete for regional influence in the Arab world.
Explanation:
B. It reunited northern and southern China in the sixth century.
The Sui Dynasty was a relatively short one, it only lasted from 589 AD to 618 AD. Therefore, A. C. and D. are incorrect because the Dynasty was not in power at those times. So, B is correct because it did reunite northern and southern China with its creation in the 6th century.
The best and most correct answer among the choices provided by the first question is the first choice "to end the slave trade"
On the other hand, the best and most correct answer among the choices provided by the second question is the third choice "<span>He played a key role in planning the convention and writing the Constitution."
</span>
I hope my answer has come to your help. God bless and have a nice day ahead!