How many states were added to the usa during the antebellum era

Which is likely the most serious problem associated with an epidemic? 1. there are sometimes no cures to the diseases that spread. 2. people often die from the diseases that spread. 3. there are usually no ways to prevent people from getting ill. 4. people often don’t know they have a disease.

During wwi, literacy tests were used to control immigration, which marked a return of what type of ideology in some americans?

What is the name for the main idea behind the settling of western lands by americans in the early-1800s?