Kingdom of Khwarzim was destroyed in 1218-20 AD by _____?

خوارزم کی سلطنت کو 1218-20 عیسوی میں _____ نے تباہ کیا؟

Changaiz Khan

Halaku Khan

Qublai Khan

None of these

The Kingdom of Khwarzim was destroyed by Changaiz Khan between 1218-1220 AD.

This invasion was a result of trade disputes and the execution of Mongol merchants by Khwarzim's ruler.