Which of the following is NOT one of the types of war that the Correlates of War data recognize?

a. interstate

b. intrastate

c. extra-state

d. nuclear

d. nuclear

Explanation:

the correlates of war data categorize in to four categories depends

interstate war = this war happens between well known and recognized states

intrastate war = this war happens within the territory of the recognized state

Non-State Wars: Between or among non-state entities.

extra state war = it is the war of the group or member of the state with the group of other state which is not considered to be part of inter state system