WORLD HISTORY

Detailed explanation-1: -The expansion of the railroad network across the country reduced trade costs drastically and thus increased counties’ access to other markets.

Detailed explanation-2: -The main types in the rail transport market are passenger rail transport and rail freight. Rail freight includes the services in which goods are transported by rail cars. The market is also segmented by distance into long-distance and short-distance and by destination into domestic and international.

Detailed explanation-3: -Freight trains move billions of tons of goods around the country to ports, where the goods are shipped around the world. Passenger trains transport millions of travelers to destinations around the country. Railroad workers are essential to keeping freight and passenger trains running properly.

Detailed explanation-4: -The transcontinental railroad impacted U.S. commerce in a positive manner. It made it much faster to ship raw materials from the west to factories in the east. It also made it much quicker and cheaper to ship finished goods all over the country. Products became more widely available.