One of the earliest applications of steam railroad technology was established between what two cities

idk

explanation:

c or d both can be the answer

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.