The railroad boom of the 19th century had a profound impact on American society. In the span of a few decades, the United States went from a largely rural, agrarian society to an urban, industrial one. The railroads were the catalyst for this transformation. 
Canals and steamboats had been important transportation methods in the early days of the United States, but they could not keep up with the demands of a growing population and economy. The railroads, with their far greater capacity and speed, quickly became the preferred means of transportation for both people and goods.

Railroads had a greater impact on American society than did canals and steamboats for a number of reasons:

First, railroads were much faster than either canals or steamboats. This meant that they could transport goods and people much more quickly, which was a major advantage in a rapidly growing country like the United States. Additionally, the railroad was much more reliable than either of its predecessors. Canals were often hindered by low water levels, while steamboats were susceptible to bad weather.

Second, the most important reason why the railroad had a greater impact on society than either canals or steamboats was the fact that it was able to move large quantities of people and goods. The average canal could only move a few hundred tons of cargo, while the average steamboat could only move a few thousand. In contrast, a single railroad car could easily carry tens of thousands of pounds of cargo. This made the railroad the preferred choice for transporting large amounts of goods over long distances.

Finally, railroads were much more flexible than either canals or steamboats. This meant that they could be built to connect almost any two points, regardless of the terrain in between.

All of these factors together made railroads the clear choice for businesses and individuals who needed to transport goods or people over long distances. In the early days of the United States, canals and steamboats were the only options for long-distance transportation. However, as the country began to grow and develop, railroads quickly became the preferred choice.

The impact of the railroad on American society was far-reaching. 

They spurred the development of new industries and markets and helped to create a national market for goods. 

It also played a role in the settlement of the American West, as it made it possible for people to travel to and settle in areas that were previously inaccessible. By connecting the East with the West, the railroads made it possible for people and goods to move between the two regions with ease.

The railroad also had a profound impact on American culture, as it brought people from all over the country together and helped to create a sense of national identity.