The action by the state of Maryland which led to McCulloch v. Maryland was that it attempted to stop a branch of the Second Bank of the United States from bringing in notes that were not made in Maryland, as they were taxed if they were from out of state.
This case led to the necessary and proper clause being used and is one of the most famous Supreme Court cases in the history of the United States.
He bought and sold slaves and then lamented the degrading impact of slavery on white morals. He lived beyond his means, indulged himself in imported wines and furniture, and then sold away slaves to cover his debts while celebrating the moral clarity.
Yes they do influence us as we can gain information about whether the event was large or small such as the great fire of London , the word great emphasises the size of the fire and the great impact it had on the people and the surroundings - hope this helps !