The ways that <span>Carnegie, Rockefeller and other corporate leaders consolidated control over their industries </span>is that they established a monopoly or trust, which centralized control of a number of oil-related companies under one board of trustees. As a result, they owned nearly the entire oil business in the United States, and could set prices at will. Companies in other industries quickly imitated their trust model and used their broad market control to push prices higher.
The answer to 4 is “the Kansas Nebraska act”
The Arabian Peninsula (in beige) includes the nine<span> (</span>9<span>) countries of Jordan, Iraq, Kuwait, Bahrain, Qatar, The United Arab Emirates, Oman, Yemen and Saudi Arabia.</span>
