Simplify the following text for a Grade 10 native English-speaking person.
Original: Chicago had won the original bid to host the games , but the Louisiana Purchase Exposition would not accept another international event in the same time frame .
Simplified: The city of Chicago , Illinois , had won the original bid to host the 1904 Summer Olympics , but the organizers of the Louisiana Purchase Exposition in St. Louis would not accept another international event in the same time frame .