Part A

What inference can be made about young people today from "President Obama's Third Annual Back to School Speech"?

They face challenges unlike those of previous generations.

The have to work more than young people in the past did.

They are worried about failing in school and in the future.

Their lives are very similar to each other in may ways.
part b in comments

1. They have to work more than young people in the past did. Explanation: In his Third Annual Back to School Speech, Barack Obama focused on analyzing and motivating students for their new year, and most of all for their future.

while it was true that the cotton gin reduced the labor of removing seeds, it did not reduce the need for slaves to grow and pick the cotton.

explanation:

before eli whitney's invention of the cotton gin, picking and cleaning cotton was a slow, labor-intensive job. workers, usually slaves, had to pick the seeds from the cotton fibers by hand. this invention made it possible to grow large amounts of cotton on big farms and make money.

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