Answer:
democratic some thing I forgot srry My memory is like dory>
Explanation:
The ways slaves challenged slavery is by doing less work so not much is accomplished, when prevented child birth so the slave owners couldn't benefit from there children, they broke machines, the would steal, and be rebellious. they would run away and hide. In some extreme extents they would harm themselves so the slave owner had no use for them.
More efficient for products to be transported, quicker and safer