What business practice contributed most to andrew carnegie’s ability to form a monopoly?

United states v. reynolds stands for all of the following, except: question 6 options: a) parents may not withhold medical treatment even if they have a good faith religious belief against such treatment. b) human sacrifice may be banned by the government without violating religious freedom. c) polygamy may be banned by the government even when it is required by a religious practice. d) women in polygamous marriages do not have the right to vote.

(this is just for fun) "alexander hamilton had a torrid affair and "(hamilton reference) : )

Which nation most to bail out greece’s failing economy?