How is historical causation similar to correlation?

a. both involve events that are result of the same stimulus
b. both involve two or more events that occur at the same
c. both involve two or more events that lead to the same outcome
d. both involve events that occur during the same historical period

Which of the following statements is true about germany's use of u-boats?

At the beginning of wwii, what action by winston churchill influenced hitler’s strategy?

Which source would best a historian understand the effect of the great chicago fire on families? a. a biography of a chicago family displaced by the fire b. a letter from a grandmother in new york to her family in chicago c. a newspaper editorial about families who were displaced d. an oral history dictated by an adolescent who fled the fire