Question

1. in chicago alone in just 10 years, ____ steel framed buildings and in 20 years its population more than doubles to ____ million people.
2. by 1890, ____ and ____ are major problems in america’s major cities.
3. chief thomas f. byrnes is the first to use pictures or ____ ____ to identify and catch criminals.
4. in the city slums, multiple families are crammed into one small room and human ______ pours into the streets.
5. jacob riis is a crime reporter and photographer who will expose the ____ of tenements and shows the nation’s ____ the filth and desperation in urban cities.
6. his work forces new york schools to build ____ and landlord to install indoor ____.
7. by 1907, every large city in the nation has ______.
8. in 1879, ____ __ will create 1000’s of patents that will define the modern era including the __ __ ____.
9. in just ____ years, he will build over __ power plants generating electricity for cities like new york, boston, chicago, detroit, st. louis and new orleans. over the next five years, he will build ____ more power plants.
10. by 1900, nearly 4 million ______ are working in cities.
11. urban factories are producing otis electric ____, bell __ and singer __ ____.
12. on march 25, 1911 at the triangle shirtwaist factory, ____ people die and some ____ to their death when they are trapped by fire.

Explanation:

These are fill - in - the - blank questions related to historical events and developments in the United States, such as urbanization, crime - fighting methods, social reforms, and industrial progress. The answers require knowledge of American history during the relevant time periods.

Answer:

1. hundreds of; 1.7
2. overcrowding; sanitation
3. mug shots
4. waste
5. squalor; middle - class
6. playgrounds; toilets
7. a police force
8. Thomas Edison; incandescent light bulb
9. five; 300; 100
10. immigrants
11. elevators; telephones; sewing machines
12. 146; jump