What was the Holocaust?

A. the invasion of Poland by Germany
B. the creation of concentration camps in Belgium
C. the attempted genocide of the European Jews
D. the rescue of jewish troops from France

Help plz D:

C. the attempted genocide of the European Jews

The Holocaust was a systematic, state-sponsored persecution and murder of six million Jews by the Nazi regime and its collaborators. It also targeted millions of other victims, including Roma (Gypsies), people with disabilities, Poles, Soviet prisoners of war, political dissidents, LGBTQ individuals, and others.