When did operations management emerge as a formal field of study? A. during the nineteenth century B. during the early 1900s C. during the late 1950s and early 1960s D. during World War II E. during the late 1970s and early 1980s

C. during the late 1950s and early 1960s.

Explanation:

Operation management is about making the process of product's manufacturing and fulfilling the customer's requirement more efficient. It emerge as proper field of business studies in the late 1970s and 1980s.

battle of saint-mihiel, (12–16 september 1918), allied victory and the first u.s.-led offensive in world war i. the allied attack against the saint-mihiel salient provided the americans with an opportunity to use their forces on the western front en masse.

explanation: