There was unrest in the areas under Napoleon's control because he: A. installed his brothers as emperor's
B. all of the choices are correct
C. taxed the people of these countries
D. made them contribute troops to the French army​

Which of the following activities would conserve the most energy? installing a dimmer switch on a light using a blender instead of a food processor hanging clothes to dry on a clothesline instead of ironing them opening a window instead of turning on the air conditioning setting your computer's screen saver to turn on after less time has elapsed