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.
The two important goals achieved under the Articles of Confederation were the b and c
It's important that we know where and how we came to be. For example we wouldn't really understand why you're a certain religion if we didn't know who settled the land and what happened. Not only that, but also a lot of things happened back then, a civil war, WWI and WWII, the Cold war, war of 1812, that made things what it is present day. Also history makes sure that we can honor people for freedom, such as Abe Lincoln who freed slaves. The point I'm making here is that history is a way to remember important events that have effected many things and many places and without keeping track of history (for example if we didn't keep track of the Constitution) we wouldn't have the somewhat peaceful society of today.