Which area did the islamic empire add by 750 a. d. (ce) that it did not have control of in 661 a. d. (ce)? mecca egypt spain constantinople

It is Egypt

This is shown on the map all you have to do is look for it

all of the choices are correct

it was the "4. potsdam" conference that demanded the unconditional surrender of japan, since it was clear that the japanese would continue to find until the very last man otherwise.