An 1815 volcanic eruption in Indonesia was followed by a three-year famine around the world. How was the volcano linked to the famine?

A. The eruption's ash and gas significantly dimmed the sun.
B. The eruption's heat and energy killed all the farmers in its path.
C. The eruption preserved an ancient human civilization.
D. The eruption killed many local people.
E. The eruption contributed to global warming.