The Gilded Age was a result of the Industrial _______, when America shifted from an agricultural (farm-based) society to an _______ (factory-based) one.
Millions of immigrants and struggling farmers arrived in cities such as New York, Boston, and Chicago, looking for work. This led to the rapid _______ of America. By 1900, about _______ percent of Americans lived in major cities.
Most cities were _______ for rapid population growth. Housing was limited, and slums sprung up nationwide. Heating, lighting, _______ and medical care were poor or nonexistent, and millions died from preventable _______ .