While America was undergoing an era of good feeling there were many problems lying under the surface. These social ills were attacked many social reformers. This reform movement was led by people who believed that America could do anything if she put her mind to it. One writer called America, The Israel of our time.. Major reform movements existed in the following areas:
mononuclear. adj. 1. (Physiology) (of a cell) having only one nucleus.
Mononucleosis is a viral infection usually caused by the Epstein-Barr virus (EBV), which is a type of herpes virus and one of the most common human viruses. Also called mono and the kissing disease, the illness is not considered serious or life threatening.