How did large mining companies succeed? a. they set up towns to sell supplies to individuals looking for gold. b. they used machines to dig deeply for gold. c. they paid for individual miners to come west to look for gold. d. they set up operations where individuals had not found gold.

B. They used machines to dig deeply for gold.

Explanation:

After the first rush to the western gold mining towns, large mining companies took over mining operations.  

They replaced individual miners so that they could make more money.

Individual miners couldn't compete with hydraulic mining and hard-rock mining.

did you check the study guide?

"globalization has greatly impacted the united states and american citizens. first and foremost, globalization has spread american influence throughout the world. globalization has opened up more markets for the united states, which in effect american companies sell their products worldwide. there has been a rise of multinational corporations and their influence has greatly increased."