Answer:
Slaves
Explanation:
In Dred Scott vs Sandford case, the supreme court in 1957 slaves was not a citizen of United States and was never intended to be included in neither the Declaration of Independence nor the Constitution. The opinion of the court on this matter was that blacks are not even included on the right to sue
The court further interpreted that, neither the class of persons who had been imported as slaves, nor their descendants, whether they had become free or not, were included in the Declaration of Independence nor Constitution.
Answer:
Negative Reinforcement.
Explanation
This is an example of negative reinforcement.
Answer:retroactive interference
Explanation:
Retroactive interference (retro=backward) , when we learn something new it tends to interfere with what we have learnt initially, this means the new learnt task interferes with the task we have learnt earlier such that we forget the earlier task.
This is more common if our memories have similarities such as learning a new langauge may tend to interfere with the old language that you have learnt.l before.
Having learnt Italy now interferes with the ability to learn Spanish.
