It all depends on which American Dream you're talking about.
When I Google the American Dream, a website defines it as "...the belief that anyone, regardless of where they were born or what class they were born into, can attain their own version of success in a society where upward mobility is possible for everyone."
This isn't true. It just isn't.
In a perfect world, the dream itself doesn't change, but the rules we have in place to keep specific groups of people lower than others do. I personally believe it can't. I do think it is achievable without hard work; specifically if you aren't a minority, and born into a rich family. But, this is just my personal opinion.
Not sure about number three in regards to the literary movement; however, i can help you with the last two.
"the collars belonging to the cats" -- there are multiple collars, and multiple cats. the way to represent this is "the cats' collars." you add the apostrophe to the cats, because the multiple cats own the collars.
"the notebooks belonging to Janet" -- here, you have multiple notebooks, but only one janet. the way to show this is "Janet's notebooks." the possessive s is added to janet's name to show that the notebooks are hers. the possessive s or apostrophe would not apply to notebooks, because the notebooks don't own anything. only janet owns something.
The short-run aggregate supply curve is upward sloping because the quantity supplied increases when the price rises. ... As a result, there is a positive correlation between the price level and output, which is shown on the short-run aggregate supply curve.
The short-run aggregate supply curve is upward-sloping because it takes some time for input prices and/or wages to adjust. ... When the aggregate demand curve shifts, there will be a short-run change in output, but no long-run shift in output. The price level will change in both the short run and the long run.
As the price level rises, supply increases as firms expand production to increase profits. And as price level falls, supply falls as firm reduce production. For this reason the short-run aggregate supply curve slopes upward.
I hope this helps!!
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