3. THE 2ND INDUSTRIAL
REVOLUTION–
2nd Industrial Revolution
Period of rapid growth in U.S.
manufacturing in the late 1800’s
4. THE 2ND INDUSTRIAL
REVOLUTION
1900 - U.S. became the world’s
industrial leader
5. THE STEEL INDUSTRY
Henry Bessemer invented the
Bessemer Process
• Made steel quickly & cheaply
by blasting hot air through
melted iron to remove impurities