Which of the following has most effectively threatened human security in powerful states during the twenty-first century?

A semi-presidential hybrid system is similar to the presidential system in that ________

A. the president sits for a fixed term enjoying separation of survival and origin. B. the parliament is responsible for electing a prime minister. C. the prime minister heads the cabinet which runs the executive branch ministries. D. the president and parliament enjoy separation of survival. E. the cabinet does not sit for a fixed term.

Which type of source is the "meat and potatoes" of the literature review?

a) general sources b) tertiary sources c) secondary sources d) primary sources