What does it do?
It summarizes or restates the main idea of the essay. You want to leave the reader with a sense that your essay is complete.
How do I write one?
1. Restate the strongest points of your essay that support your main idea.
2. Conclude your essay by restating the main idea in different words.
3. Give your personal opinion or suggest a plan for action.
Example:
Overall, the changes that occurred in hockey have helped to improve the game. Hockey is faster and more exciting as a result of changes in the past 120 years. For these reasons, modern hockey is a better game than hockey in the 1890s.