A run-on sentence occurs when two or more independent clauses (also known as complete sentences) are connected improperly. One common type of run-on sentence is a comma splice. A comma splice occurs when two independent clauses are joined with just a comma.
Then, Klaus grew into manhood, and he began to view the wall through another lens. It became an oppressor that the people in the East dared not question or appear to challenge in any way.
