Select the most appropriate option to substitute the highlighted segment in the given sentence.
Transnational linkages, for example, sever the nation-state’s integrity and corrupt state-society relations.

Correct option is A

The correct substitution of the highlighted segment is cohesion and erode.
Explanation:
The sentence aims to convey that transnational linkages undermine the unity of the nation-state and weaken state-society relations. The correct substitution would replace "sever the nation-state’s integrity and corrupt state-society relations" with "cohesion and erode" to maintain grammatical correctness and logical flow.
Corrected sentence:
Transnational linkages, for example, erode the nation-state’s cohesion and corrupt state-society relations.