What do you think Grosz’s metaphor means? What does it suggest about what it felt like to live in Germany during that time? What might be the result of the increasing ""heat""?

The telegraph, the transatlantic telegraph cable, and the telephone were important to businesses after 1850 because of a. they created a system for developing new inventions. b. they filled a need that other inventions of the day could not. c. they attracted investors and created the stock market. d. they made picture-taking a popular american pastime.