Answer:
1.Toyotomi Hideyoshi (1536-1598)
2.Tokugawa Ieyasu (1543-1616)
3.Oda Nobunaga (1534-1582)
Answer:
Very many.
85% - 95% of Native Americans have died due to disease from Europe, with Europeans exploring the New Continent, and animals being brought over from Europe, most couldn't fight the diseases.
There was the compass and the astrolabe