Which http caching header is used to avoid making requests to the origin server? chegg

The central motif in the decoration of the interior of the dome of the taj mahal is

To create an illustration of perspective, this artist did all of the following except 1) show clear orthogonal lines 2) have an implied vanishing point 3) distort proportion to keep the background and foreground the same size 4) include value changes between the foreground and background i was thinking maybe 1

What modernist conventions did henry moore use in mother and child