The cotton gin was introduced in 1793. What was the effect of this invention in the us?

It changed both the economy and the American Slavery

Explanation:

So instead of slaves having to separate the cotton from the seeds, they used the cotton gin which increased production and profit

the best description of the camp david accords is that it was the first time an arab nation had officially recognized the nation of israel.

silk

indigo  

rice

all the other answers are wrong