Correct option is D
Explanation:
• “Misssion” contains an extra “s” and is incorrectly spelt.
• Correct spelling is “mission.”
Correct: …in his mission to conquer…
Meanings of Options:
Mission – A specific task or duty assigned to a person or group.
Chariots – Ancient two-wheeled horse-drawn vehicles, often used in battle or racing.
Thousand – The number 1,000.
Kingdoms – Territories or countries ruled by a king or queen.