From a telegraph office, you could send a message to almost any place in the world instantaneously. Yet, there were problems with the telegraph. Identify at least one of the telegraph’s problems
the telegraph was expensive and required specialized operators
Which of the following changes did you address in your answer?
1. Samuel Morse invented the .2. A little more than thirty years after it was invented, the was rapidly replaced by the . 3. Today’s telephone uses the same basic that were used in 1876.
Which of these forms of transportation was not an innovation that used rails?
Look at these three pictures. Each one represents a modern version of Edison’s original idea. Select the Edison invention that matches each picture.

Which problems did you include in your answer?
How did automobiles affect Americans’ ability to get from place to place?
Which of the following changes did you address in your answer?
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