From 1918 on, trade unionists were to express from the platforms of their congresses the workers' desire for peace through a rational organization of the world.
A lot of musicians aren't proud; they'll do other work, just to be able to play music. I guess that's the way it's always going to be - musicians will have to suffer to a certain degree in order to obtain their outlet.
I would never dream, for example, of going to The States to photograph your wildlife.