Answer: The correct answer is the fourth statement. The factor that increased trade under Mongol rule is construction and protection of roads that ensured safe and easy travel. Mongols guaranteed safe passage for traders, missionaries, and travelers (for example Marco Polo) and the trade flourished causing the Mongols to gain incredible wealth taxing the trade.
<span>The correct answer is
the fourth statement. The factor that increased trade under Mongol rule is construction
and protection of roads that ensured safe and easy travel. Mongols guaranteed
safe passage for traders, missionaries, and travelers (for example Marco Polo)
and the trade flourished causing the Mongols to gain incredible wealth taxing
the trade. </span>
