All of the following were TRUE about the Mayans in the 1400s EXCEPT A

All of the following were TRUE about the Mayans in the 1400s EXCEPT

A) the remains of their greatest architecture were still observable.
B) most of their historic trade routes with other empires were destroyed due to warfare.
C) they were still a strong presence in western Mexico and Central America, despite being in a period of decline.
D) they still produced and traded cotton.

ANSWER
Answer: B