Response is incorrect or irrelevant. Select two technological advances from the list below and explain how each contributed to American economic growth prior to the Civil War. Support your answer with specific details. Response is thoroughly developed and includes specific details. 3 Response provides general connections between two technological advances and American economic growth in the half-century before the Civil War.
Response lacks some details.
2 Response provides a simplistic explanation of two technological advances but fails to connect them to American economic growth in the half-century before the Civil War. OR Response provides an explanation of only one technological advance with some detail. 1 Response provides a minimal explanation of one or two technological advances and American economic growth in the half-century before the Civil War. Response provides little or no support. Response is incorrect or irrelevant.