Sounds made where the flow of air is briefly obstructed in some way are:

Consonants and vowels are two different qualities of sounds that are found almost in all languages of the world. Consonants are defined as the sounds articulated by temporary obstruction in the air stream which passes through the mouth.

As a slave, Douglass was not allowed to have much of a childhood. He was separated from his parents, and he was forced to work hard and suffered cruel treatment while working on the property of Captain Aaron Anthony.