Big Business & Industry
Technological Innovation
100

This industry’s expansion relied heavily on steel and oil in the late 1800s.


What is the railroad industry?

100

This communication device, developed by Samuel Morse, revolutionized long-distance messaging.


What is the telegraph?

200

He founded Standard Oil and became one of the most powerful monopolists in American history.


Who is John D. Rockefeller?

200

Alexander Graham Bell’s major invention in 1876.


What is the telephone?

300

This steel magnate believed in the “Gospel of Wealth” and practiced philanthropy.


Who is Andrew Carnegie?

300

This invention by Thomas Edison brought light to homes and streets across America.


What is the electric light bulb?

400

Trusts and monopolies often limited this, which is essential for a healthy economy.


What is competition?

400

The expansion of railroads helped the growth of this energy industry.


What is the oil industry?

500

The rise of big business led to the rapid growth of these urban areas.


What are cities?

500

This innovation allowed factories to operate after dark and increased productivity.


What is electric lighting?

M
e
n
u