Answer:
As an admiral and later the 19th Chief of Naval Operations, Zumwalt played a major role in United States military history, especially during the Vietnam War. A decorated war veteran, Zumwalt reformed United States Navy personnel policies in an effort to improve enlisted life and ease racial tensions.
Also nice tartaglia pic
France and England developed a sense of nationalism and the power of the French monarch increased, while England became ensued in civil war
Disease is the answer I believe... If not than it is death by war or massacre
Tropical rainforest, the high mountains and wild rivers were some of the physical obstacles that the Incas faced. They had to build a complex network of roads to link the entire Inca empire. They had messenger stations along these roads so that they could relay their messages, and they built shelters along the way for travelers.