What Swedish immigrant experience is told in Vilhelm Moberg's Emigrants series?

Vilhelm Moberg’s four-volume epic, known as the Emigrants series, chronicles the mid-19th-century migration of Swedish people to America.1

The series follows the journey of individuals from the Swedish countryside who were driven by the misery of their living conditions and the oppressive systems of their homeland. By documenting this "folk migration," Moberg sought to give a voice to the illiterate rural class from which he originated. The narrative spans the arduous transition from their life in Sweden to their experiences as settlers in a new land, capturing the struggle for freedom and the pursuit of a better life.1

The series consists of the following volumes:
* Utvandrarna (1949; The Emigrants)
* Invandrarna (1952; Unto a Good Land)
* Nybyggarna (1956; The Settlers)
* Sista brevet till Sverige (1959; The Last Letter Home)1