The correct answer is C) racism and ethnic hatred.
Governments are most often motivated to eliminate a population because of the effects of racism and ethnic hatred.
In the history of humankind, the constant has been the war. Humans are conflictive beings that lover power and control. That is why through history we find pages of imperialistic invasions, wars, slavery, and control. Racism and ethnic hatred are one of the many reasons why humankind kills others and go to war. It is hard to believe what happened with the Nazi Party persecution of Jes during World War II, the Holocaust. Adolph Hitler considered the Germans a superior race and the Jews an inferior race.
German prisoner of War camps were liberated. That’s one aspect of it.
Manifest Destiny is a term for the attitude prevalent during the 19th century period of American expansion that the United States not only could, but was destined to, stretch from coast to coast. This attitude helped fuel western settlement, Native American removal and war with Mexico.
The invention of the printing press by Gutenberg
protestant movements succeeded a great deal because of the invention of the printing press which enabled people to access the bible and theological materials and compare them with the status quo of the catholic church. The catholic church had long abused the ignorance of the laymen in access in the bible to come up with dogmas and canon laws that are un-Biblical. Some of the catholic liturgical traditions are yet to be repealed.