What did john d. rockerfeller do to make standard oil a monopoly

Is karma the same as destiny, in the sense that everything that happens to you is predetermined? do you believe that "what goes around comes around," and if so is this the same as karma? does everyone get what they deserve, in the end?

What were some of the most important native items adopted by europeans ? what impact did they have on european life ?

What industry was exempt from the child-labor laws passed in the factory act of 1833?