Scarcity requires people to do what

To cut back on items. Scarcity means the loss of a certain thing, or the lessening of anything for that matter, like having less and less food everyday when OYU come home form school to your father and rest of your family who loves you very much

Explanation:

It requires people to make descions on what the want becuase, with scarcity there is less product for a person to have every thing they might want. Which then leads to opportunity cost.

I believe he invaded the Soviet Union