How the Mongols encouraged trade during the Pax Mongolica

Trade on the Silk Road was revived during the Pax Mongolica. The Mongols maintained the roads and maintained peace in the cities on the trade routes. The Mongol army kept the merchants safe from the attacking bandits. As a result, trade expanded and people prospered during Mongol rule. The Mongols also encouraged trade with foreigners. European merchants like Marco Polo were welcomed warmly and given special privileges.

the correct answer is b

bbgftrtyc