This document discusses strategic developments during the Cold War between nations divided by communist and anti-communist ideology. It provides context on the military developments in divided states like East and West Germany. It outlines the hierarchy of defense leadership in Cold War nations from national leaders down to tactical units. It then analyzes the rearmament of East and West Germany's militaries following World War 2 demobilization and the need to defend against the Soviet Union amid early contingency planning by Western allies.