Which of these IR academics is widely credited with the creation of neo-Realist thought?

Above-ground nuclear testing

a) has no negative environmental effects. b) was banned by the Partial Test Ban Treaty in 1963. c) was how New Zealand perfected its nuclear arsenal. d) is less dangerous than below-ground nuclear testing.

Consider the scope of civil war and terrorism in the 21st century, compared to the legacy from the 20th century. What does this look like, and how have these global challenges evolved over time? What are some of the needs or solutions that must be addressed in order to overcome these challenges?

What will be an ideal response?