Which of these was a precedent set by the first President of the United States, George Washington?

Responses
A the popular election of the Presidentthe popular election of the President
B the tradition of only serving two termsthe tradition of only serving two terms
C naming nine Justices to the Supreme Courtnaming nine Justices to the Supreme Court
D addressing the Chief Executive as as "Your Highness"

B the tradition of only serving two terms