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 Around the turn of the 20th century, American industry had superseded its ...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:

a.  

women in ancient egypt had many legal rights, including the right to own property and businesses.

d. dr. francis collins