42

Approaches for Scaling Back the Defense Department’s Budget Plans // Congressional Budget Office. March 2013. https://www.cbo.gov/sites/default/files/43997_Defense_Budget.pdf

43

Krogstad J. M., Passel J. S. 5 facts about illegal immigration in the U.S. // Pew Research Center. 18 November 2014. http://www.pewresearch.org/fact-tank/2014/11/18/5-facts-about-illegal-immigration-in-the-u-s/

44

AEO2014 Early Release Overview // U. S. Energy Information Administration. http://www.eia.gov/forecasts/aeo/er/pdf/0383er(2014). pdf

45

Sledge M. Deteriorating Transportation Infrastructure Could Cost America $3.1 Trillion // Hufffington Post. 27 July 2011. http://www.huffingtonpost.com/2011/07/27/transportation-infrastructure-cost_n_911207.html