Which one is the most important, RAILROADS, TELEGRAPH, TELEPHONE, MECHANICAL REAPER, and explain the impact that new technology had on westward movement.

The technological and industrial history of the United States describes the United States' ... One of the real impetuses for the United States entering the Industrial ... Around the turn of the 20th century, American industry had superseded its ... and successive technological advances like the railroad, telegraph & telephone,

Explanation:

i also think he is correct. i believe they came to washington to protest their rights.

this defines the ability for a flex item to grow if necessary. it accepts a unitless value that serves as a proportion. it dictates what amount of the available space inside the flex container the item should take up.

give brainlest