Which Khulifa-e-Rashid announced the war against the people who were unwilling to pay zakat?

(A) Hazrat Abu Bakar Siddique (R.A) ()
(B) Hazrat Umar Farooq (R.A) (X)
(C) Hazrat Usman Ghani (R.A) (X)
(D) Hazrat Ali (R.A) (X)

Answers: Hazrat Abu Bakar Siddique (R.A)