Which of the following pairs of countries have come the closest to having purely command economic systems
a. the United States and Great BritainB. Germany and Japan in the 1930s and early 1940sC. China in the 1950s and North Korea todayD. South Africa and Canada
It would be "C. China in the 1950s and North Korea today", that have come the closest to having purely command economic systems, since these are/were communist countries in which the government was in control of economic output.