Question

What is the most obvious sign of bias in a historical text?

incorrect information and lack of reference sources

strong language, expressing either like or dislike

repetition of the same information over and over

talking only about a single historical event

Answer 1

Option B. Strong language expressing either like or dislike.

Hisotrical text expressing likes and dislikes is unheard of, as it is supposed to be simply stating facts and stating recorded history.

C&D are not remotely close to being right.