Answer:
D. the most desirable alternative given up as the result of a decision
Explanation:
Opportunity cost is the cost that that will be incurred as a result picking the desirable alternative out of the best possible alternatives.
Rogues gallery was a collection of criminal's mugshots and psychological profiles of all the criminals that were could. This was the Higgins of what would now be called a criminal database, which helped local law enforcers spot criminals since it was so easy for they to move towns and change their names.
A key advantage was that the Soviet Union had been damaged by the Nazis invasion of their country and by the deaths of over 20 million people fighting them so it was weakened by the war unlike the US which had only suffered at Pearl Harbour but not in the mainland USA.
I know manifest destiny was a thing so i think the eagle is spreading its wings further as in expanding beyond the states