Answer:
One drawback of pure competition is that sellers don't have the opportunity to earn more than their competitors unlike in monopolies, the sellers can set their own prices.
Explanation:
Pure competition is a type of situation where sellers offer the same products of the same prices. This is also called<em> "atomistic market."</em> So you can imagine that the different companies have almost the same sale. An example of an item under pure competition is "corn." Vendors (people) usually sell them at the same price and quality. If differences do exist,<em> they're totally irrelevan</em>t.
"A" would be the correct answer. Even though the main goal of the voyage was to find a different sea route to Asia. Bartolome and other Portuguese explorer have also made stops along the African coast and started to realize how could of an alternative they would be compared to the Mediterranean trade routes.
I'm positive with the answer tho