Not sure which one to pick help please !

Which of these was not a key difference between northern and southern states at the constitutional convention? wanting to protect states’ interests vs. a government with strict rules having more, larger cities vs. having fewer, smaller cities wanting to protect agriculture vs. protect industries having many enslaved people vs. using less enslaved labor

Uses money from peoples savings to make mortgage loans

Why is the industrial revolution important to us now? brainliest to the best answer