Read this conclusion from an informative essay.

The Secret Service provides an important service in protecting the nation’s money as well as the nation’s leading government officials. The agency was created so that valuable human and financial resources are safe.

This excerpt is an example of a strong conclusion because it

sets up the topic and prepares readers for the main ideas.
states a counterclaim and demonstrates why it is incorrect.
includes a clear topic sentence and evidence for a subtopic.
sums up the key points in the essay and presents a final opinion.