They have continued to improve and are still used today.
In 1967, the Northern government attempted to build a Sudanese nation state on a cornerstone of Northern Arab Muslim identity, deliberately ignoring the religious and ethnic diversity of Sudan and led the country into civil war.
Auschwitz was an Extermination camp for Jews. It was the largest camp built. So the answer for said question is, Auschwitz. Please feel free to ask anymore WWI and WWII questions!
The answer to this question is false