Your answer would be trade. Hope this helps!
The economic term for this is "opportunity cost".
Opportunity cost is the cost of the options that one is not choosing. This means that if one has to choose between A and B, opportunity cost is the cost of "giving up B" when one chooses A.
The answer is "Rote learning".
Rote learning is a remembrance strategy in view of repetition. The thought is that one will have the capacity to rapidly review the importance of the material the more one rehashes it. A portion of the other options to repetition learning incorporate important learning, affiliated learning, and dynamic learning.
I think because they wanted to be just as equal as men