Why did the Framers of the U. S. Constitution design a system of government based on federalism?

Nationalsim led to major conflicts following world war1 especially when

Profit is the term for that is left over after the costs have been paid in a budget or business. a) money. b) supply. c) demand. d) tax

The current population of a city can be represented by "p." the population is expected to increase by 6.5% next year. write an expression in simplest form that represents the expected population next year.