Which of the following options best describes the characteristics of a Chicano mural piece?

A large, colorful wall painting featuring Mexican American themes

The set of choices to this question are the following:

1. a large, colorful wall painting featuring Mexican American themes

2. a realistic portrait of a nineteenth-century Spanish politician hanging in a museum

3. an abstract expressionist painting that has colorful shapes representing human figures

4. a big canvas detailing the African American struggle in the United States

The answer is a realistic portrait of a nineteenth-century Spanish politician hanging in a museum.

Chicano art (movement) is a Mexican-American social, political and cultural issues.