which of the following correctly describes how the steam engine affected the u.s. economy in the mid…

which of the following correctly describes how the steam engine affected the u.s. economy in the mid - nineteenth century?\na the cost of touring the country increased.\nb agricultural costs increased, and agricultural labor needs decreased.\nc manufacturing costs increased.\nd transportation costs decreased, and transportation speed increased.

which of the following correctly describes how the steam engine affected the u.s. economy in the mid - nineteenth century?\na the cost of touring the country increased.\nb agricultural costs increased, and agricultural labor needs decreased.\nc manufacturing costs increased.\nd transportation costs decreased, and transportation speed increased.

Answer

Brief Explanations:

The steam - engine revolutionized transportation in the mid - nineteenth century in the U.S. It made travel faster and more efficient, reducing transportation costs. It had little direct impact on touring costs in the way described in option A. In agriculture, it wasn't the main factor for cost and labor changes as described in option B. For manufacturing, it generally reduced costs by increasing productivity rather than increasing them as in option C.

Answer:

D. Transportation costs decreased, and transportation speed increased.