Simplify the following text for a Grade 9 native English-speaking person.
Original: Each mill had its own housing community that included everything the mill workers needed ( schools , churches , grocery stores , theaters , and hardware stores , all within walking distance of the mill ) .
Simplified: Each mill had its own housing community . It included everything the mill workers needed ( schools , churches , grocery stores , theaters , and hardware stores , all within walking distance of the mill ) .