There were much-publicized myths of the late 1800s that centered around the rags-to-riches exploits of fictional boy he-roes. these myths were perpetuated by their author, a)horatio alger b)mark twain c)samuel clemens d)george orwell

a. Horatio Alger

Explanation:

Horatio Alger -

He is a famous American writer , and his work include novels about young adults and the poor boys who rises up to become rich and happy , by their hard work , honesty , courage and determination.

The work where  identified by " rags to riches " narrative.

Hence, from the given information of the question,

The correct answer is a. Horatio Alger .

the right answer is a