Respuesta :
Answer:
the answer is D
Explanation:
railroads became the biggest support of transportation, and established a new revolution of construction within the americas
By the 1850s, railroads linked many towns with cities and factories and opened new markets for the American economy.
- The railroads changed the entire economic condition of America.
- Travelling became easier with moving goods from west to east.
- Travel between towns and cities became easier and faster.
- Railroads were for transpiring raw materials and as well as for the goods
Thus option D. is the correct answer.
Learn more about railroad here:
brainly.com/question/12579315
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