The topic sentence is missing from this paragraph. Write a topic sentence that clearly states the main idea. "The sport of steeplechase originated in Great Britain during the 1800s. People would run from town to town, using the tall steeples on churches as markers. Participants raced across long fields, jumped over stone walls between properties, and ran through creeks and streams without stopping. Modern steeplechase races take place on tracks with hurdles and water pits."