15. A fried chicken fast-food chain that acquired feed mills and poultry farms has performed which of the following? A. horizontal integration B. current transformation C. forward integration D. backward integration E. job expansion

D. backward integration

Explanation:

The backward integration refers to the process by which a company purchases an initially produces the supply chain and it related to the acquisition and the control of the subsidies that are aimed at the creation and production of the certain inputs. These could be used in the production and form a  system of the vertical integration and as the frond chicken fast-food chain needs to fee its mills as to get the right amount of healthy chicken.