Block mountains are not formed due to plate collision
To push the enslaved to produce more crops. to render the enslaved powerless as to not revolt. to provoke fear in the enslaved to repay their cost. to harden the enslaved and ready them for auction.
For number 2 I would say C because take a square for example which is a quadrilateral has all 90 degree interior angles so does a rectangle. As for number 3 I would say maybe A or B I’m a bit confused to as what the question is asking. Hope this helped a bit though and good luck!