I mean I’ll tell you something but it’s good to stand up to bullies so no more get hurt
Which following if ur writing about a company u should start like this
so ans so company id=s known for its good qualitty products
Them would be the correct pronoun for this sentence because books is plural and is an object, so its pronoun must be third person. The 3rd person plural pronoun in English is they, and its objective/accusative form (the form used when the item is the object of a verb) is them, so there's your answer.
The second one,
Kennedy specifically addresses groups of nations.