Transportaion was a big one, such as railroads and steam boats.
It was a way of getting people and things there quicker. Supplies such as food and building materials helped in the development in the west.
The history of the Asian immigrants into California and working on the railroads is not well documented simply because of the discrimination and bias towards them.
The railroads permitted the greater westward expansion not only in the construction but in the use.
There is a lot but the main inventions were the steamboats, telegraph, railroads, spinning jenny and the cotton gin.
lewis and clark
Railroads are a fast and efficient form of transportation, making it an ideal candidate for westward expansion. Even in today's world with airplanes, railroads still sustain vital connections for freight and passengers.
Westward expansion
railroads barbed wire dry farming steel plow windmills sod house
Westward Expansion/Manifest Destiny
Portrayed westward expansion in his paintings
what does zebulon pike have to do with the westward expansion