Strategy in Action. Price Wars in the Breakfast Cereal Industry &Closing Case. Competition in the US Market for Wireless Communication Section 2. Integrate your learning. Generalize - i.e., go beyond your case's firm(s)/industry. Your first sentence should be: "Irrespective of industry, managers conducting an analysis of their firm's external environment should include the following aspects." Then provide a numbered list. Integrate Learning: Irrespective of industry, managers conducting an analysis of their firm's external environment should include the following aspects: Explain in points 1- 2- 3- 4