Simplify the following text for a Grade 5 native English-speaking person.
Original: In 1982 , voters approved merging Battle Creek Township with the city of Battle Creek , under pressure from Kellogg Company , which threatened to move its headquarters away from Battle Creek if the city and township did not merge . Battle Creek is currently the third-largest city in Michigan by area , after Detroit and Grand Rapids .
Simplified: Battle Creek is a city in western Michigan , USA .