Is Eusebius's history reliable? What are the biases that might have corrupted him?

Is Eusebius unfair to "heretics" mentioned in the book? How so?

What are Eusebius's aims in writing his history?

What is the significance of the Roman Emperor in the book?

What is the significance of the major Bishoprics in the book?

What is Eusebius's aim with respect to Christian martyrs in the book?

Who are among the most important Bishops?

What is Eusebius's opinion of Constantine I and II? Why does he hold this opinion?