Answer:
The Manifest Destiny introduced by the government for the territorial expansion in the West to the Pacific. The main goal was to spread its white American settlers in the westward region.
Step-by-step explanation:
The Westward Expansion was responsible for making the country a dominant nation. The settlers became prosperous farmers and ranchers. Ranchers helped in keeping livestock (cattle) in immense quantity to fulfill the demands in the East. They took advantage of the rising value of cattle and got it to towns along railroad lines that could transport it to the East. With no river system and roads to connect with the other side of America, railways became major transportation in supplying crops and cattle.