Definatuon of assonance

in poetry, the repetition of the sound of a vowel in non rhyming stressed syllables near enough to each other for the echo to be discernible

a line graph.

explanation:

the apollo program, also known as project apollo, was the third united states human spaceflight program carried out by the national aeronautics and space administration (nasa), which succeeded in landing the first humans on the moon from 1969 to 1972.