BRAINLIEST
In concentration camps, prisoners were
A. trained as soldiers and forced to fight for Germany in the war.
B. tattooed with ID numbers, and then sent home.
C. experimented on and forced to do hard labor.
D. given good medical care.

c. experimented on and forced to do hard labor

Explanation:

Prisoners in concentration camps were treated very poorly and did very hard labor with little to no food or water

c.it was a major banking and commerce center.

d.leonardo da vinci

d. to fix corruption and problems in the catholic church

d. to reform the catholic church from within

a. human faces are presented in an idealized, spiritual manner.