How Did Voltaire Make Himself So Unpopular with Both the French

How did Voltaire make himself so unpopular with both the French and Prussian courts that he had to retire to the country to avoid imprisonment?

A) Writing plays that involved questionable morals
B) Openly living with the marquise du Châtelet,a married woman
C) Stating that the Prussian monarchy was better than the French
D) Criticizing the government and satirizing the rulers