What is the question for this? I may be able to solve.
NATO was designed to improve on the alliances of the past and to modernize the alliance system in light of the threat of nuclear power. The idea of collective security meant that war could trigger alliances linked on social, political and economic and ideological frameworks as well as a deterrent in terms of nuclear power.
I beleibe the answer to the question is Urban Area
Answer:
The answer is D.
Explanation: I took a test and got it right.