Extreme racism and propaganda
ethnic tolerance is the opposite of what was done to the Jews, Blacks, and Gypsys.
The Nazis had in total power for 6-7 years when the Final Solution was ordered
It was a ethnic issue not a government issue, the Jews had no power in Germany
International? You really don't give much information but I believe that's it.
"Tobacco" was the most important to the economic success of Jamestown, and in many ways it was the only economic success of Jamestown, which would have failed without it.
Many people believe that the collapse of the Indus Valley Civilization was caused by climate change.