There are many things that historians can learn from the Torah. The Torah is a collection of sacred readings according to Jewish faith. Therefore, reading the Torah can teach us a lot about the beliefs, history and culture of Jewish people. Moreover, the Torah was written in ancient times, which means that it also provides an invaluable source of anthropological information. Finally, the Torah shares a lot of similarities with the Christian Bible. Therefore, studying it can also help us better understand how Christianity developed.
The Spanish Conquistadors killed 90% of the Native population once they landed on North America because of the diseases they Brint over such as yellow fever and typhus.