Which most accurately describes Kublai Khan’s role in trade between the Mongol Empire and European markets?

Question

Kublai Khan’s waged war with the Ottoman empire in the near east, resulting in the closing of the silk road which stopped the flow of goods across Asia

Kublai Khan’s waged war with the Byzantine empire in the Meditteranean, resulting in the closing of seaports in Constantinople which limited trade between Asia and Europe

Kublai Khan’s regulated trade along the silk road, offering protection to merchants and was instrumental in promoting Chinese silk to the west

Kublai Khan’s regulated seas ports along the black sea, offering protection to merchants and was instrumental in promoting corn, beans, and peas to the west

C?

Answer 1

I agree.

Answer 2

thank u.

Answer 3

YW