Can Someone help me With These questions for the american revolution

The inventor cocreated the film fred arts sneeze which was one of the first american movies

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.

Why was it difficult fpr unions to succeed in the 1800s