Answer:
I chose b
Explanation:
They are retreating so they have lost
<span>James Buchanan, Minister to Great Britain and former Secretary of State.Franklin Pierce, President of the United States.Stephen Douglas, U.S. Senator from Illinois.<span>Lewis Cass, Former U.S. Senator and 1848 presidential nominee from Michigan
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I believe the answer would be opportunity cost. the opportunity cost is the cost to create an item which can result an increase in the price to ensure they make profit