Vertical and horizontal integration, related to strategy.

My topic is Vertical and horizontal integration, related to strategy. please summarizes information that you find in articles. You are a contributor, and you want your post to be meaningful to people that work on their own global strategies while applying knowledge and frameworks of business and corporate strategies. Your post must refer to at least TWO articles. The choice of articles is expected to combine academic (peer-reviewed articles and textbooks) and practitioner-oriented publications from reliable sources (Harvard Business Review, Sloan Management Review, McKinsey, etc.). Attachment is an example you can refer to.