6 Which innovation extended the number of hours in a day that Americans could work and play?
a. Bessemer process c. refrigeration
b. telegraph technology d. electricity

____ 7. Which industry most spurred economic growth and innovation in related industries?
a. railroads c. oil
b. food d. steel

Question

6 Which innovation extended the number of hours in a day that Americans could work and play?
a.	Bessemer process	c.	refrigeration
b.	telegraph technology	d.	electricity


____	7.	Which industry most spurred economic growth and innovation in related industries?
a.	railroads	c.	oil
b.	food	d.	steel

anonymous · Answer

d. electricity 

a. railroads