Explanation:
A century after the arrival of Christopher Columbus, some 90% of indigenous Americans had perished from "wave after wave of disease", along with mass slavery and war, in what researchers have described as the "great dying".
Louis Pasteur's lasting achievement in the world of medical research, was his extraordinarily fantastic cure for the rabies disease. Hope that answers your question.
A. Stalemate
It s called No-man's land no side was really winning.
