Australia vs USA - Military Comparison Sources

https://data.worldbank.org/indicator/NY.GDP.PCAP.CD?name_desc=false
http://www.australia.gov.au/about-government/how-government-works/federation
http://gta.wikia.com/wiki/Australian-American_War
http://www.worldatlas.com/articles/the-largest-countries-in-the-world-the-biggest-nations-as-determined-by-total-land-area.html
http://www.dailymail.co.uk/news/article-3320021/Maps-just-Australia-really-population-clings-coast-jams-tiny-urban-clusters.html
https://en.wikipedia.org/wiki/Australia in
https://www.quora.com/Why-does-Australia-not-do-more-to-inhabit-its-desert-areas-in-a-similar-manner-to-Middle-Easterners
https://en.wikipedia.org/wiki/Australia
https://www.globalfirepower.com/defense-spending-budget.asp
https://en.wikipedia.org/wiki/List_of_countries_by_GDP_(PPP)
http://www.pewglobal.org/2017/07/13/more-name-u-s-than-china-as-worlds-leading-economic-power/
http://federal-budget.insidegov.com/l/120/2017-Estimate
https://en.wikipedia.org/wiki/List_of_countries_by_military_expenditures
https://www.minister.defence.gov.au/minister/christopher-pyne/media-releases/budget-2017-18-defence-budget-overview
https://www.globalfirepower.com/country-military-strength-detail.asp?country_id=australia
https://www.globalfirepower.com/armor-tanks-total.asp
http://www.news.com.au/technology/innovation/australias-f35a-stealth-fighters-may-cost-millions-to-bring-up-to-a-fighting-standard/news-story/7a28b881ff92cc27ed5fd88f2480f512
https://en.wikipedia.org/wiki/Royal_Australian_Air_Force
https://www.globalfirepower.com/country-military-strength-detail.asp?country_id=australia