Who was the goddess known for her jealousy and constant pursuit of Zeus' lovers?

Hera

Who did Voldemort kill to create Nagini the Horcrux? In the older editions of Monopoly, what animal was featured as a playing token? In which country was the Caesar salad first invented? What was the United States' initial foreign policy position at the start of World War I? Who was the first MLB player to record 40 home runs and 40 stolen bases in the same season?