Question

Which sentence shows the correct use of the dash?

In the early 1800s—before cars existed—all children walked to school.

In the early 1800s before cars existed—all children walked to school.

In the early 1800s—before cars existed all children walked to school.

In the early 1800s—before cars—existed all children walked to school.

Answer 1

The first one is correct

Step-by-step explanation:

Answer 2

Answer: The first one

Explanation: the others don't include all the information between the dashes