<span>John D. Rockefeller did everything by his own. Vertical integrations means that he employed his own workers, then he constructed barrels to store oil and rent wagons and horses to transport that barrels. So it's called vertical integration. </span>
Stay positive. Find something that makes you happy. Surround your self with people that matter to you. Famous people. Youtubers. Family. :) If you need anything let me know!!
