Answer:
The transition word in this passage is "but." Transition words (or phrases) connect ideas in writing, helping the writer follow a train of thought. They ease the transition between different statements, and when used properly, make reading easier. In this case, Janeczko brings the reader along from noting a state of peace between two factions to remembering that the peace did not eradicate suspicion.
Explanation:
The answer is but
I think the sentence that uses it correctly is the last one.
Although it was my first day in 8th grade, Mom and Dad decided it was more important to take my brother infantile Irving to school before I complain they chastised me for getting upset.