Simplify the following text for a Grade 10 native English-speaking person.
Original: Following the completion of a railway line to Roberval in 1893 , Chicoutimi especially developed at the beginning of the 20th century as an industrial city based on pulp production .
Simplified: A railway was built between the city and Roberval in 1893 , which helped make Chicoutimi a bigger city at the end of the ( nineteenth century ) ) , based on industry and pulp .