What invention led to the increase concentration of slavery in the south ?

What is the biggest difference in citiz en participation in government between ancient athens and the modern united states?

Why did the united states pass the neutrality acts

Which statement best explains why a supreme court opinion is a seminal document? an opinion can become quite lengthy, which makes it a seminal document. supreme court documents are the only seminal documents in the united states. an opinion may create major changes in the laws or policies of the united states. generally speaking, a supreme court opinion reflects the feelings of all americans.