Question

who were the individuals referred to as robber barons? business leaders who used ethical means to grow their wealth. business leaders who used questionable practices to eliminate competition. workers who fought for better wages. investigative journalists exposing workplace issues.

Explanation:

The term 'robber barons' referred to business leaders who used unethical means to grow their wealth during the industrial - era in the United States. They engaged in practices like monopolization, price - fixing, and exploiting workers to amass large fortunes.

Answer:

Business leaders who used unethical means to grow their wealth.