Which geological feature made the west a great place for mining? mountains beach rivers ice sheets

Hello,

Question - Which geological feature made the West a great place for mining?

Answer - Mountains

Why - "Miners were drawn to the West in 1859 because they found gold and silver in western Nevada. This became known as the Comstock Lode which was named after Henry Comstock."

The Answer is Mountains based on my research.

c. troops marched forward in close formation against newer, more accurate weapons

imma have to go   the third option

sorry if i am wrong hope this

if i am right plz give me brainliest