In which Pennsylvania town did Abraham Lincoln deliver a pivotal speech about the state of the Civil War?

The author of Uncle Tom’s Cabin was Harriet Beecher Stowe.

Much of the Confederacy’s diplomatic efforts were aimed at:

Support for the Mexican American War was was strongest in New England.

Which battle is seen as the turning point of the Civil War in the South?

The intellectual defenses of slavery in the South admitted that the institution offered no benefits to blacks.

Anti-Irish prejudice was especially based upon:

Match the bacterial structure to its role in Neisseria gonorrhoeae infection (the bacteria that causes the sexually transmitted infection gonorrhea).

A city finds that its water pipes are clogged by colonies of bacteria that secrete sticky layers and cooperate metabolically. What are these colonies called?

The Battle of Antietam was the single bloodiest day of the Civil War.