I think it’s “B. Electricity runs most model train engines”
The progression from wayfarers to spacefarers demonstrate that people have advanced to the point where not only do we travel on foot but Astronauts and Cosmonauts are able to travel in space. This shows how technology has improved.
Answer:
It emphasizes that the men had no say in their fate.
Explanation:
The repetition in that excerpt shows how powerless the men were in deciding their fate.
It shows the total lack of control they have over their lives, they are merely tools to be commanded and they were obligated to obey each order absolutely.