I think is the second one, two countries impose tariffs on each others products because a trade war is an economic conflict resulting from extreme protectionism in which states raise or create tariffs or other trade barriers against each other.
Idk. So i don’t know the answer to the question because i hav ethe same question
THE ANSWER IS RAILROADS!!
A psychologist who describes actions in conditions of unconscious motivations and conflicts is using a “psychodynamic” perspective.