(1) Texas is known for its superb high school marching bands. (2) Each week during football season, thousands of students take to the field to display their musical and marching talents. (3) These same students also compete in local, state, and national competitions and exhibitions. (4) However, marching bands aren’t found in just this state or even just this country. (5) But in one country there are marchers who skip the music component all together. (6) Students at Japan’s Nippon Sports Science University, NSSU, participate in an intricate marching-like exhibition known as precision walking. _________________________________________________________________________________ J.T. would like to add the following sentence to the first paragraph: Students from around the world are also part of musical marching groups.

(10) There are no musical cues for the students to use as they march in the changing formations. (11) Furthermore, they walk in perfect step by following the direction of an announcer. (12) Directors bellow loud, sharp commands, such as “Front row, turn left!” and “Crosswalk,” over a loudspeaker. J.T. wants to use a more appropriate transition in sentence 11. Which of the following can best replace Furthermore in this sentence?

(13) And with each command, the students fall into perfect alignment. (14) Even the swing of their arms is synchronized. (15) A misstep by just one student creates a flaw in the perfectly coordinated display that is visible. What is the most effective revision to make in sentence 15?