What is the function of an antagonist i'm a story

Which kind of bias is evident in the sentence below? " along with bears, lynxes and wolves, boars were idiotically hunted to extinction in the middle ages." a subjective vocabulary/ mistreatment of opposing views/ corporate bias/ stereotypes

Aclassmate is sending hurtful messages such as "you're stupid" and "you're ugly." this behavior can be described as denigration harassment cyberstalking exclusion

Why did the author of "how to jump-start a car battery" choose to use this image?