If you don't find some way to discuss what's going on inside you, it can come out in other ways that are self-destructive.
When you're under stress as a human being, you behave oddly and your relationships with people become strained.
Yes, I would agree that America, just like Spain was in the 17th Century, is the main empire of the world and they are the ones who, on the surface, are the most pushy: pushing their language, pushing their culture - or what there is of it - pushing by force their system on others.
Sometimes a scene works and acting is the easiest thing in the world and you don't have to do much of anything - just enjoy yourself and listen to the other actor. When it doesn't work, then every actor has different ways of dealing with the impasse. Sometimes you use memories from the past. Whatever. It depends from job to job.