I believe it is option 2. (a chronological book of American history)
Answer:
"I" message.
Explanation:
<u>"I" message or "I" statement is the statement based on the speaker's point of view</u>.
<u>"I" statement/message concept was developed by Thomas Gordon in 1960. According to this concept, the speaker communicates his/her feelings to the listener</u>.
These statements are helpful to convey an assertive message to the listener rather than offending them by using "you" statements. "I" statement also helps in positive communication skills.
So, the correct answer is "I" statement.
