How many concentration camps were there during the holocaust?

The pope claimed he was the head of byzantine churches only.

Who believed that the best economic system was on in which businesses compete to gain profit with minimal or no government control

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.