It's clear now that Donald Trump and his administration doesn't want the start a trade war. What we are seeing is a very careful and meticulous review of all the tools they have available and to use those to start bringing cases against countries under existing law that they think are unfair.
Indeed, my conclusion from a lifetime of psychohistorical study of childhood and society is that the history of humanity is founded upon the abuse of children. Just as family therapists today find that child abuse often functions to hold families together as a way of solving their emotional problems, so, too, the routine assault of children has been society's most effective way of maintaining its collective emotional homeostasis.