During world war i canadian pilots joined the a. french naval air service. b. royal naval air service. c. american air force. d. international air corps

four sitting presidents have been assassinated while in office but the first was abraham lincoln,

- a government ruled by the people, or assembly. officials monarchy - a single ruler like a king. over time some city-states, like athens would change governments. what this means is that all the citizens voted on all the laws.