As I've Researched it was in the 14 Century that it killed 60 percent of Europes Population about 50 million people.
Please correct me if I am wrong.
The correct one should be <span>Merchant steamships</span>
A direct result of Rosa Park's refusal to give up her seat on a Montgomery bus in 1955 was the Montgomery Bus Boycott. <span>On December 1, 1955, four days before the </span>boycott<span>began, Rosa Parks, an African-American woman, refused to yield her seat to a white man on a </span>Montgomery bus<span>.</span>
Mongols favored trade even before Ghenghis khan, they hunted/herded very few were weapon makers or potters/weavers, many items they needed to living had to be traded. As Ghenghis khan rose to he realized the Mongol army was gonna need many things for battles. To facilitate trade Ghenghis offered protection to merchants that came from east and west, offered higher status for merchants allowed by the Chinese or Persians who despised trade and traders.
<span>The answer for this question would be Alexander the Great's. He is recognized as 'the great' both for his military mastermind and his political skills in managing the numerous populations of the regions he occupied. His conquests freed the West from the threat of Persian rule and extent Greek civilization and principles into Asia and Egypt.</span>