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 would say A,. Electronics in the classroom negatively effect (not effects) the learning environment. This will then be your reason for your entire paper, allowing you to back it up easily