Answer:
white sauce.
Explanation:
white sauce is known as the mother sauce
Gustav Mahler would be my answer. Strauss was also composing during the late 19th and early 20th but Mahler created more of a fusion between the two.
Explanation:
Cast and drop shadows are another common way to add depth. Reflections work similarly in that a reflection appears on a different surface. The illusion of depth can be increased by making the shadow larger and lighter and further away from the object. Blurring the edges of shadows also increases the illusion of depth.