Question

what is sucessionism?.....pls answer it in a simple and detailed language.​

Answer 1

Secession is the withdrawal of a group from a larger entity, especially a political entity, but also from any organization, union or military alliance. Threats of secession can be a strategy for achieving more limited goals.

Answer 2

$\huge\mathfrak\red{Answer}$

secessionist means a person who favours formal withdrawal from membership of a federation or body, especially a political state.