Which one of these things was NOT an effect of the Dred Scott court case?

Why do countries create guidelines and laws on how a country is going to be run?

Lloyd’s of london was one of the first institutions to offer insurance to merchants and joint-trade companies. a major part of the insurance system involved people who agreed to take responsibility for the insured losses in return for a fee. what were these risk-takers known as? a. joint-stock companies b. investors c. underwriters d. merchants e. capitalists

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries