The scale of the market is an example that causes technological progress. If the technologies are being developed, it is made to increase or maximize profit. In microeconomics, the scale of the market is the cost advantage where the cost per unit output decreases but increases the number of output.
The answer would be letter D.
They wanted to find the fountain of youth
Well I guess we are as primitive as our ancesters
Radishes, strawberries and lettuce are all easy crops to grow during summer time. I can't think of any reasons to grow them besides they're easy to grow...and delicious...Lol. Hope I helped at least a little~