<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>
Themes explored in various pieces of literature usually reflect the spirit of the age in which they were made. The spirit of the age is usually a historical thing that is based on the previous periods and the history that created it. An example of this is the ideas of modernism that came in response to World War 1 where people were depressed and obsessed with the bad things in the world.
negotiation of wages and other conditions of employment by an organized body of employees.
X is equal to 3 and y is equal to 17 and x+y = 3+17 so its 20
