Respuesta :
It would either be B or D but I'd go with B because it's not a comparison question
Answer:
D) Heavy loads of goods could travel by boat more easily then if pulled by horses.
Explanation:
Even though they were used to carry things around too, there's only so much that a horse can pull. Eventually, it becomes unpractical to rely on horses to carry really heavy loads. A boat, though, can do this in a much more practical way.