How did the invention of the telegraph impact american society? select the two correct answers.

a.
trains could travel at higher speeds in a safer manner.

b.
moving out west became cheaper and much faster.

c.
business owners in the west could stay in touch with eastern markets.

d.
those who moved out west could communicate with family members in far-away cities.

e.
miners could access gold and other metals that were deeper in the mines.