The case you are looking for is Marbury vs Madison
Robber Barons Definition: These men earned the title of 'Robber Barons' due to their greed and ruthlessness, their unethical business practices, unscrupulous tactics and their total lack of concern for their workers, their customers or their competitors. ... The power of the Robber Barons grew.
Immigrant communities helped to grow Florida’s economy by developing a transportation system.
Answer:
Well after World War I the Great Depression happened. So much of the Roaring '20s was a continual cycle of debt for the American farmer, stemming from falling farm prices and the need to purchase expensive machinery.