How did art change in the mid 19th century?

In the early 19th century the face of Europe, however, became radically altered by industrialization. Poverty, squalor, and desperation were to be the fate of the new working class created by the "revolution." In response to these changes going on in society, the movement of Realism emerged. Realism sought to accurately portray the conditions and hardships of the poor in the hopes of changing society.