The Supreme Court case of Munn v. Illinois decided that

When writing a research paper, preparing a speech, or doing another project that relies on information from outside sources, it is necessary to ensure the information is valid. Explore the process of evaluating sources for reliability, credibility, and worth. Understand the role of purpose in the process, and review the steps to the CRAAP test, which can be a useful tool to ensure a source is valid.

What was the Battle of Gettysburg? Learn who won the Battle of Gettysburg and the Battle of Gettysburg significance. Also, view Battle of Gettysburg facts.

What are civil liberties? Learn why civil liberties are considered important, understand the difference between them and civil rights, and see real examples and cases.

Edgar Allan Poe's, 'The Cask of Amontillado,' is a short story about revenge that is filled with symbolism and imagery, beginning with the sights and sounds of a carnival. Learn how to define symbolism and imagery, and explore examples of the literary devices of symbolism and imagery within this macabre tale published in 1846.

Discover what a preliminary investigation is. Learn the definition of preliminary investigation and how to conduct a preliminary investigation step by step.

Explore Nathaniel Hawthorne's "Young Goodman Brown." Discover the setting and characters, read the summary, study the analysis, and examine the themes and symbols.

Understand the system of unitary government. Learn the definition of unitary government, and explore its pros and cons. Find examples of unitary government.

What is federal government? View the federal government definition and explore its benefits and limitations. Learn about the U.S. federal system of government.

What is Federalist No. 10? Read a summary of the main points of Federalist No. 10 and learn the historical significance of James Madison's influential essay.