The last slave in the world was set free in 1877.

a. True

b. False

No, it is technically false that the last slave in the world was set free in 1877, since in fact many forms of illegal slavery continued to existed in the world until much later.

Explanation:

The story of slavery crosses many societies, nationalities, and religions from classical times to the present day. However, the social, economic, and constitutional positions of slaves were vastly different in various systems of bondage in different times and places.

No, it is technically false that the last slave in the world was set free in 1877, since in fact many forms of illegal slavery continued to existed in the world until much later.