In 1492,shortly Before Columbus Set Sail on His Famous First

In 1492,shortly before Columbus set sail on his famous first voyage to the western hemisphere,

A) Constantinople fell to Islamic forces.
B) Jerusalem was recaptured by European forces as part of the seventh crusade.
C) the Muslim kingdom of Granada fell to Spanish Catholic forces.
D) the silk roads were overrun by Mongol forces.
E) northern India was recaptured by the British.