Which of the following was an effect of the discovery of gold and silver on western development?
(1 point)
Responses
It caused a sharp decrease in the population of eastern cities.
It caused a sharp decrease in the population of eastern cities.
There was no longer a need for the railroad.
There was no longer a need for the railroad.
The value of gold and silver decreased.
The value of gold and silver decreased.
It contributed to the opening of the western frontier.
wich one A,B or C,D