How did the German migrations along the western frontier add to Rome's collapse?

Explain in the simplest form what laissez faire is

The ancient greek city-state of sparta was run as an oilgarchy, meaning

How did critics view the judicial reform bill under roosevelt? they thought that it would weaken the presidency and strengthen the court. they felt that it was an attempt to gain influence on the supreme court. they viewed it as a way to take power away from the government and give it to the people. they thought that it would bring an end to the programs created by the new deal.