Answer: d
Explanation: got it right on edge
Microeconomics studies individual and business decisions while Macroeconomics analysis the decisions made by countries and governments. Microeconomics focuses on supply and demand and other forces that determine price level.
Kovalf was a committee-man. He had been one for two years and he couldn't take that out of his own head. This only shows how much the Russian society used to value their titles back then and this might actually be true today.
Kovalf could never forget that he was once a committee-man, therefore to boost his own importance, even to himself, he started calling himself "Major".