This is all I know sorry if i dont
answer your question
Explanation:
How does global travel contribute to the spread of disease?
Summary and Conclusions. Global travel and the evolution of microbes will continue. New infections will continue to emerge, and known infections will change in distribution, severity and frequency. Travel will continue to be a potent factor in disease emergence.
Answer:
The Mayans were important because they developed astronomy, calender systems, and hieroglyphic writing.
Explanation:
African Americans were able to travel at the front
It was evident that the Pax Mongolica encouraged the spreading of different ideas and a great cultural expansion around Europe and Asia when they devised a postal system which was a way of communicating across the vastness of the Mongol Empire.
