Cover crop roots hold the soil in place, protecting soil from wind erosion. Cover crops can also protect soil from the impact of heavy rainfall and runoff. Reduced erosion protects and improves water quality by keeping ag chemicals in the ground and out of drainage water.
The incorporation of the bill of rights is a doctrine that defends that The Bill of Rights should be applicable and respected by the states of the US.
Initially, the Supreme Court was strict on this matter and the common understanding was that the Bill of Rights should only be respected and followed by the Federal Government - you can see it on Barron vs Baltimore case. After the abolition of slavery and the post-civil war era many rights were granted to people and over time the incorporation doctrine gained strength.
They were treated poorly because of the same reason the Nazi's treated adult jews; it was because of their heritage. After they were sent into camps, it did not matter how old they were, no one was spared of his wrath.
If you want to know exactly what happened to them with great visuals, I suggest plugging "Children of The Holocaust" into YouTube and finding a great visual explanation to go along with your research.
