Question

18. What do you mean by regionalism?​

Answer 1

$\color{grey} \huge Answer$

In international relations, regionalism is the expression of a common sense of identity and purpose combined with the creation and implementation of institutions that express a particular identity and shape collective action within a geographical region. ... Some analysts call these initiatives "old regionalism".

Answer 2

Explanation:

In politics, regionalism is a political ideology focusing on the "development of a political or social system based on one or more" regions[1][2] and/or the national, normative or economic interests of a specific region, group of regions or another subnational entity,[3] gaining strength from or aiming to strengthen the .

maybe this is helpful for you.