Why is it important to have a system for exchanging currencies between nations? to encourage trade to encourage new business to protect small businesses to stop the rising cost of products

An economic term that describes happiness and its hard to measure in numbers is

How do direct democracry and representative democary differ

Which statement is not true about the missouri compromise? 1.) slave owners could pursue escaped slaves into “free” regions. 2.) maine entered the union as a free state. 3.) slavery was allowed throughout the louisiana territory. 4.) missouri entered the union as a slave state.