Why did they kill marie antoinette and king louis xvi?

In one to two paragraphs, compare and contrast the american, french, and mexican revolution.

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 employers want there to be large numbers of unemployed workers around?