He did not come in the dawning; he did not come at noon; And out o' the tawny sunset, before the rise o' the moon,
When the road was a gipsy's ribbon, looping the purple moor,
A red-coat troop came marching—
Marching—marching—
King George's men came marching, up to the old inn-door.

—Alfred Noyes, "The Highwayman"

Which statement best explains how the alliteration in this excerpt from Alfred Noyes's poem "The Highwayman" contributes to its meaning