LDA Topic Model output (20 Topics):
Topic #13 and #17 can be interpreted as “armed provocation” and “nuclear provocation”, respectively. Each of #14 and #18 can be interpreted as “South-North Dialogue” and “international talks”.
The numbers of articles that belong to each category are shown in the graph below
Independent variable: the inverse degree of support for the unification of the people (1: necessary / 5: unnecessary)
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