How did the industrial revolution change how people lived and worked

Initially, northerners did not want missouri to be included in the union because 1.) maine would not be allowed to enter the union as a free state 2.) missouri wanted to enter the union as a free state 3.) missouri wanted to enter the union as a slave state 4.) maine would not be allowed to enter the union as a slave state

Explain what might happen if the supreme court did not have the power to check the other two branches.

Can someone me with these 2 questions? and tell me why it is the correct answer?