B. Both emperors improved the Byzantine legal system by organizing laws more clearly. They both was mainly involved.
Hope this helps :)
Shi Huangdi was an effective leader because he was the first Chinese emperor that managed to unite the northern China and responsible to the first development of China's great wall.
Not only that, he is also the one that introduces China to the usage of money as a medium of transaction.
You should write a report on Google Docs( if you have Chrome) or Mircosoft Word ( if you have mac). Do the steps one by one. If they're is a rubric... follow it. May I ask what grade you are in?