Select all that apply historians must have certain qualities of character, such as impaitience accuracy honesty bias

Historians need to be as accurate and honest as possible in terms of telling the story of the past. 

Sifting through lots of information requires patience so I would not pick impatience. 

While all humans have some bias, all the social sciences as sciences strive to minimize bias. So I could not choose bias as a character trait important for historians. 

the western roman empire flourished, but the eastern portion of the empire struggled.

they supported black codes so the answer is a or b