It deals with opportunity costs. Opportunity costs are not real costs, but rather the things that you had to give up in order to obtain something else. What you didn't obtain is considered to be an opportunity cost. A production possibility curve deals with this.
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Spindletop, texas (southeast texas)
As a response to Kipling's poem “The White Man’s Burden: The United States and The Philippine Islands;” African-American clergyman and editor H. T. Johnson wrote and published in April 1899 “The Black Man’s Burden” arguing that mistreatment of brown people in the Philippines was a reflection of the mistreatment of black Americans at home, as stronger countries abuse their power to conquer weaker/less developed countries as it is clear in that part of the poem below.
"Hail ye your fearless armies,
Which menace feeble folks
Who fight with clubs and arrows
and brook your rifle’s smoke".
(d) The second method is a convention called by at least two thirds of the State legislatures.<span />