Which companion of the Prophet (PBUH) is known as ‘The Sword of Allah’?

A. Khalid ibn al-Walid
B. Ali ibn Abi Talib
C. Umar ibn al-Khattab
D. Abu Bakr al-Siddiq

Answer: Khalid ibn al-Walid


Additional Information: Khalid ibn al-Walid earned the title 'The Sword of Allah' due to his military prowess in the early Islamic conquests.