The Civil War Occurred in Which of the Following Eras

question 12

Multiple Choice

The Civil War occurred in which of the following eras?

• A) early nineteenth century
• B) mid-nineteenth century
• C) late nineteenth century
• D) early twentieth century

---

Definitions:

Preoperational Stage

In Piaget’s theory, the stage (from about 2 to 6 or 7 years of age) during which a child learns to use language but does not yet comprehend the mental operations of concrete logic.

Piaget

A reference to Jean Piaget, a Swiss psychologist known for his pioneering work in the study of child development and cognitive theory.

Concrete Operational

A stage in Piaget's theory of cognitive development where children gain the ability to think logically about concrete events.

Formal Operational

The stage in Piaget's theory of cognitive development during which people develop the ability to think about abstract concepts and logically test hypotheses.