Aggressions and questions

What is grey-zone aggression and why is it being used? Angela Merkel has a few months left as Chancellor, what can she achieve or what should be achieved before she does? Did countries in East Asia, with a focus on Japan, accept westernization when it came? Not as much as wight think they did. We hear a lot about England, Scotland and Northern Ireland but what about the other country in the United Kingdom, what about Wales? How has gone since the 1998 devolution?