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What was the primary energy source in the US and Europe in the early 1800s?
What was the primary energy source in the US and Europe in the early 1800s?
Horses
What were the characteristics of horses as an energy source in the early 1800s?
What were the characteristics of horses as an energy source in the early 1800s?
self-contained, self-directed, strong, and highly efficient 'living machines'
What were the problems associated with the use of horses in the early 1800s?
What were the problems associated with the use of horses in the early 1800s?
Horse dung and dead animals chocked the streets of American cities, and they attracted rodents and flies
What solution was introduced to address the problems associated with horses in the early 1800s?
What solution was introduced to address the problems associated with horses in the early 1800s?
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What were some of the problems that arose as a result of introducing cars as a solution?
What were some of the problems that arose as a result of introducing cars as a solution?
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