Andrew Carnegie gained control of a large percentage of the steel industry by

He gained control because he had the power to take over smaller railroad companies. What is vertical integration? This is when you buy your suppliers out, in order to control your own raw materialss and businesses.

china unilaterally claims the entire south china sea as sovereign territory, then builds artificial islands to bolster its claim. it suddenly activates an air defense identification zone over the east china sea, and threatens to down any aircraft that does not report its position. it builds roads into indian territory, then redraws the maps to show that it is actually chinese territory. the people's republic under president xi jinping is quickly becoming the bully of asia.