What did Europe splinter into after the fall of the Roman Empire?

Which of the following statements describes the philosophy of thomas hobbes? democracy is necessary for a country to succeed. b. a country needs a ruler with absolute power to succeed. c. people have natural rights to life, to be free and to own property. d. a country needs no rulers or government to be safe and successful.

Why would the free rider problem prevent a private business from investing in the building of a city sidewalk?

What was the role of the samurai in japan before imperialism?