What is this machine? What does it do? What effect does this machine have on slavery in the 1800s in America? HELP QUICK PLS

Pictured below is the Cotton Gin, Prior to its invention by Eli Whitney it was very labor-intensive and timely to separate cotton and remove all pits from it. the cotton gin removed these pits from the cotton and cleaned it in effect.  I was in fact not profitable to grow cotton a large scale prior to the invention of the Cotton Gin. With the introducton of the Cotton Gin the profitability of growing cotton and preparing it for sale became greater, resulting in plantation owners being able to grow cotton in large scale or as a big crop. THis increased the need for more slaves to work the fields and the Cotton Gin. There was a rise in the number of slaves being used on plantations during this time.

Explanation:

the best description of postwar writers might be progressive.

following the war, writers showed a tendency to work on artistic or social matters rather than political themes. while postwar literature may not have been the greatest period of english literature, the themes provided excellent critics a high number of novels. such examples include anthony burgess, anthony powell and frank kermode, all of which can be placed under the progressive view.

the right answer for the question that is being asked and shown above is that: "their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.  " the  participant in european imperialism is being described below is that  their policy of "divide and rule" pitted political groups against each other to keep any one group from becoming too powerful.