Technical Variables IV#1 The electricity production of the country of interest/or the country where the terrorist of interest is operating [8]. IV#2 Electricity production per capita of the country of interest/ or the country where the terrorist of interest is operating [8]. IV#3 The number of state-CBRN programs that ever existed in the country of interest/or in the terrorist's country of origin [2,9]. Population Variables IV#4 The gross domestic product per capita in the country of interest/ or in the terrorist's country of origin [8]. IV#5 The percent of unemployment in the country of interest/ or in the terrorist's country of origin [8]. IV#6 The population of the country of interest/ or in the terrorist's country of origin [8]. IV#7 The population growth of the country of interest/ or in the terrorist's country of origin [8]. IV#8 The percent of the population that is urbanized in the country of interest/ or in the terrorist's country of origin [8]. IV#9 The percent of the population under fifteen years of age in the country of interest/ or in the terrorist's country of origin [8]. IV#10 The infant mortality rate in the country of interest/ or in the terrorist's country of origin [8]. IV#11 The average life expectancy of the citizens in the country of interest/ or in the terrorist's country of origin [8]. IV#12 The average age students quit school in the country of interest/ or in the terrorist's country of origin [8]. IV#13 The literacy rate of females in the country of interest/ or in the terrorist's country of origin [8]. IV#14 The literacy rate of males in the country of interest/ or in the terrorist's country of origin [8]. IV#15 The male sex ratio (number of males/number of females 15-16 yr) in the country of interest/ or in the terrorist's country of origin [8]. IV#16 The differential literacy rate in the country of interest between males and females/or in the terrorist's country of origin [8]. IV#17 The degree of civil liberties in the country of interest/ or in the terrorist's country of origin [9]. IV#18 The total number of deaths caused by political violence from 1946-2009 in the country of interest/ or in the terrorist's country of origin [10]. IV#19 Deaths caused by political violence per capita from 1946-2009 in the country of interest/or in the terrorist's country of origin [10]. IV#20 The total number of U.S. troops in the country of interest/ or in the terrorist's country of origin [11,12]. IV#21 U.S. troops per capita in the country of interest/ or in the terrorist's country of origin [11,12]. IV#22 The degree in which the country of interest/or the terrorist’s country of origin is embedded in the westernized world, (measured by the number of McDonald’s restaurants in the country of interest/ or in the terrorist's country of origin) [7,13]. IV#23 The degree in which the country of interest/ or the terrorist’s country of origin is embedded in the westernized world (per capita), (measured per capita by the number of McDonald’s restaurants in the country of interest/ or in the terrorist's country of origin) [7,13]. Religion Variables IV#24 The percent of Muslims in the country of interest/or in the terrorist's country of origin [8] IV#25 The percent of Christians in the country of interest/ or in the terrorist's country of origin [8]. IV#26 The percent of “Other” unidentified religions in the country of interest/or in the terrorist's country of origin [8]. Terrorist Elements IV#27 The total number of T-CBRN technical experts in the country of interest/or in the terrorist group [2]. IV#28 The number of CBRN terrorist groups in the country of interest/or in the terrorist's country of origin [1,8,14]. IV#29 The number of CBRN terrorist groups classified as ‘Religious Fundamentalists’ in the country of interest/or in the terrorist's country of origin [1,2]. IV#30 The number of CBRN terrorist groups classified as ‘Nationalists/Separatists’ in the country of interest/or in the terrorist's country of origin [1,2]. IV#31 The number of CBRN terrorist groups classified as ‘Cults’ in the country of interest/or in the terrorist's country of origin [1,2]. IV#32 The number of CBRN terrorist groups classified as having a ‘Left-Wing’ ideology in the country of interest/or in the terrorist's country of origin [1,2]. IV#33 The number of CBRN terrorist groups classified as having a ‘Right-Wing’ ideology in the country of interest/or in the terrorist's country of origin [1,2]. IV#34 The number of CBRN terrorist groups classified as having a ‘Single-Issue’ ideology in the country of interest/or in the terrorist's country of origin [1,2]. IV#35 The number of CBRN terrorist groups classified as having an ‘Unknown’ ideology in the country of interest/or in the terrorist's country of origin [1,2]. IV#36 The number of CBRN terrorist groups classified as having a ‘Criminal’ ideology in the country of interest/or in the terrorist's country of origin [1,2]. IV#37 The number of CBRN-terrorist events classified as being caused by a ‘Lone Actor’ in the country of interest/or in the terrorist's country of origin [1,2]. IV#38 Potential for the country of interest/or terrorist's country of origin to sponsor a terrorist-group with CBRN capability [8].

Table 1: The 38 Independent Variables (IV) used in the construction of the ‘Random Nation’s Matrix’. The variables include the ‘Country of Interest’ and the ‘Country Where the Terrorist of Interest is Operating.