An age of realism, summary

What is the age of realism?

American Realism was a style in art, music and literature that depicted contemporary social realities and the lives and everyday activities of ordinary people. The movement began in literature in the mid-19th century, and became an important tendency in visual art in the early 20th century.

Explanation:

google hope this helps you

i think the life is invaluable.

you can also say immeasurable.