Which statement best describes the effect of the bubonic plague on the Mongol territories?(1 point)

A: The bubonic plague had little effect on the Mongol territories because they had already been exposed to it.
B: The bubonic plague politically weakened the divided territories and made them easier to overthrow.
C: The bubonic plague strengthened trade between Asia and Europe because both needed key goods.
D: The bubonic plague weakened European neighbors and made it easier for the Mongols to invade Europe.