The exploration of the Oregon trail and the Wild West are actually split in time by what major event

Which best describes alexis de tocqueville

Once the plague became airborne, how could it then be spread?

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.