The document discusses international business strategies used by various companies. It explains that Procter & Gamble follows a transnational strategy with centralized R&D and localized production and marketing. Vodafone initially pursued a global strategy by standardizing its phone technology worldwide but failed to adapt to local Japanese preferences. Walmart had to expand internationally to continue growing after saturating the US market, and benefited from economies of scale and cross-border knowledge sharing, though it struggled at first to replicate its distribution system in Mexico and had to localize product offerings and partnerships.