Which word best describes Anthony's tone in this excerpt?

Read the excerpt from Susan B. Anthony's "On Women's

Right to Vote."

It shall be my work this evening to prove to you that in thus

voting, I not only committed no crime, but instead, simply

exercised my citizen's rights, guaranteed to me and all

United States citizens by the National Constitution, beyond

the power of any state to deny

O uncertain

O confident

O flattering

O anxious