The correct answer is C. They were designed to eliminate all people of Jewish descent from Europe.
Step-by-step explanation
The Nazi concentration camps were places to which minority communities such as political opponents, Jews, Gypsies and people with mental or physical disabilities were taken. There were several types of concentration camps among which were those of prison, concentration, work and extermination. These places were part of Hitler's "Final Solution" political plan in which he proposed the extermination of the population of Jewish descentdants. So the correct answer is C. They were designed to eliminate all people of Jewish descent from Europe.