A vertical integration strategy can expand the firm's range of activities:
A. backward into sources of supply and/or forward toward end users.
B. backward into other industry business-lines and/or forward to suppliers of raw materials.
C. to enable the supply chain the opportunity for expansion.
D. to complement the industry's horizontal value chain line of profitability.
E. to establish full integration by participating in a tapered integration (without the outsourced and in-house activities).
Answer: backward into sources of supply and/or forward toward end users.