Why needing to have a competitive advantage is so highly recommended in the field of strategic management?

After conducting some research, write a 3 – 5 page paper, doubled spaced with at least three references to evaluate why needing to have a competitive advantage is so highly recommended in the field of strategic management. Using DISNEY as your organization, discuss what might that DISNEY needs to do (or have they done) if they need to change or find a “turnaround” strategy to maintain their competitive advantage (consider product or industry diversification, mergers and acquisitions, joint ventures/strategic alliances, and/or internal development).