While terrorism (going by the classical definition) hasn’t had had any (or many?) victories of that sort - let’s not pretend that acts of terrorism don’t achieve political goals - and if nothing else they make the people in charge sit-up and take notice.

There’s only one example I can comfortably talk about: I don’t believe Devolution and the Good Friday Agreement in Northern Ireland would have come about if it weren’t for the shadow of the IRA looming over Westminster.