When Pope Innocent IV Sent Envoys to Invite the Mongols

When Pope Innocent IV sent envoys to invite the Mongols to join in an alliance against the Muslims,

A) a treaty was signed that forged a long-lasting political partnership.
B) the khans declined and in turn told the Christians to submit to Mongol rule or be destroyed.
C) the resulting war brought about an end to Islamic influence in central Asia.
D) it so angered the Islamic kingdoms that they rose up and crushed the Mongols.
E) the khans accepted and quickly sacked Jerusalem.