the correct answer for novanet is: a military dictatorship.. From 1799 to 1804 Napoleon was First Consul. The form of government was a dictatorship. From 1804 to 1815 Napoleon was Emperor, the form of government an empire - with many forms inspired by the monarchy.
With others, he staged a coup on November 9th, 1799, replacing one republican government with a new republican government. It was later, in 1804, that he crowned himself Emperor of the French, although he had previously been a dictator as First Consul (the head of his republican government.