In 1800s life in the US was not easy. The lands was big, wild and still mostly untamed. The travel was slow and often wrought with peril as the dangers loomed on the roads, if there were any at all. Most of the Americans, two thirds of them in fact lived near the Atlantic coast and that is within 50 miles of it. Also, west of the Appalachian mounts only one tenth of the Americans lived there.
The correct answer is: "railroads".
Railroads flourished during the 19th century and enabled to travel long in-land distances much quicker than before. They were also one of the main factors that triggered the industrial revolution, as quick transportation reduced production costs and brought important efficiency gains for industries, for instance, in coal mining, and contributed to the development of mass production systems.
Among these statements, the true religious view is that Hinduism kept the polytheistic view of Aryans. Aryans are known for their development of their polytheistic view. although Hinduism has also more than one God, they believe in one supreme being. Hinduism thus kept the tradition of Aryans provided that they assign different behaviors to several Gods.