In the 1830s, abolitionists in the United States . consisted of approximately one-third of the national population tried to implement the ideas David Walker had written about were the only large group in the world working on this cause made up a small percentage of the national population

In the 1830s, abolitionists in the United States consisted of:

a small percentage of the national population

Explanation:

The abolitionist (or Anti-Slavery movement) movement was an organized effort to end the practice of slavery  and full emancipation of all slaves in the United States. 

In the Americas and western Europe, abolitionism was a movement which sought to end the Atlantic slave trade and set slaves free.

The abolitionist movement began as a more organized, radical and immediate effort to end slaver and this officially emerged around 1830.

It is believed that ideas set forth during religious movement known as the "Second Great Awakening" inspired abolitionists to rise up against slavery during the 1930s, This Protestant revival facilitated the notion of accepting renewed morals, that centered around the idea that all men are created equal in the eyes of God

In the 1930s, this abolitionists in the United States has consist of about a few percentage of the national population and we're notably whites with few blacks too who are notable or blacked who have escaped from the bondage of slavery.

i think it would be c.

hope i'm correct

explanation: