they could ship meat to the east in refrigerated cars
Before railroads were built in Texas, cattle had to be herded on cattle drives to the nearest railroad. The first railroads in the United States ran from east to west. After the railroads were built that ran north and south, the Texas cattle ranchers had less distance to cover to reach a railroad for transport.
Refrigerated railroad cars could take the processed meat to the East. Actually the railroads enabled ranchers to drive their cattle shorter distances to the trains that came to their most local cow-town. The railroads allowed cattle to be transported long distances, quickly and efficiently to distant markets. This meant that herding of cattle on foot over long distances, using much man power, would eventually be consigned to the western cowboy movies.
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railroads helped transport steel to other places
Railroads help people get where they needed to be quickly. This facilitated businesses and transactions that led to growth in the US.
It helps the cattle industry because since texas had alot of plains the cattle were able to survive in texas.
coal, steel, and lumber industries
Canals and railroads helped New Jersey's manufactering by industry growing.
Joseph McCoy had promised the Texan ranchers that if they brought their cattle to Kansas, where they could be shipped by rail, that he would pay them well for the cattle. The ranchers received three times what they could locally for their cattle, which greatly increased the profitability of ranching.
Railroads helped the growth of Standard Oil by allowing for rapid transport of stored petroleum. They could get their products to market much faster and efficiently.
The railroads helped to create cattle kingdoms in the southwest because cattle could be shipped all over the country. Raising cattle in the southwest provided the ranchers with lots of land and grass to feed the cattle.
That way cattle could be moved from one side of the country to the other end.