Some of the major accomplishment that were achieved within the Persian empire are:
- their legal system - strict, but very sophisticated for their time, outshone only by those of Greece and Rome, the classical examples of ancient civilization
- sophistication of their arts - the Hanging Gardens of Babylon would be among the Persians' top achievements.
The correct answers are: accuracy and honesty.
Indeed, being a historian take a lot of patience since research takes lots of effort and money. Accuracy in important, since the thread of events, the people involved and the multiplicity of factors that influence an event need to be carefully studied, verified and analyzed. Honesty is paramount, since past history inevitably has had an effect on present times and any falsification would not only have devastating effect in current politics but also would inevitably damage research on other fields which depend on history to yield accurate and satisfactory results. This is why bias is definitely to be banned from the profession.
Didn’t ask is the correct answer