References:

https://www.theguardian.com/business/2019/jan/21/world-26-richest-people-own-as-much-as-poorest-50-per-cent-oxfam-report

https://www.theguardian.com/environment/2015/mar/16/what-is-the-bill-and-melinda-gates-foundation

https://www.nytimes.com/2019/07/19/business/tuition-free-college.html

https://www.americanprogress.org/issues/religion/news/2013/01/02/48791/faith-in-values-resolve-to-end-homelessness-in-2013/

https://berniesanders.com/issues/eliminating-medical-debt/

https://en.wikipedia.org/wiki/Listofcountriesbymilitary_expenditures

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