Consider the writing prompt. Write an informative, research-based essay that explains President John F. Kennedy’s leadership style. Which research source would be the most reliable to use to address the prompt?
A. a student’s report about Kennedy
B. a memoir written by Kennedy’s wife
C. an article about Kennedy written by a professional historian
D. a book titled Why John F. Kennedy Was America’s Greatest President

Which sentence best explains how steam power changed agriculture in england between 1810 and 1850? a. farmers started using steam-powered machines to spray chemical fertilizers and pesticides. b. livestock farmers began using steam-powered machines to milk cattle and shear sheep. c. steam-powered railways transport and sell agricultural produce far from where it was grown. d. steamships to transport large numbers of people from the united states to english farms.

Who was partially responsible for plotting the saint bartholomew’s day massacre? a. henry iii b. henry iv c. pope gregory vii d. pope innocent iii

General who became emperor of france