This document discusses barriers to international trade and how globalization occurs in stages. It identifies common barriers such as geography, duties, taxes, licensing, currency regulations, language, quality standards, and culture. It then explains how the factors of production like raw materials, labor, and capital face different barriers. The document outlines three stages of globalization where trade moves from raw materials to components to final consumer goods and services. It also lists common economic and non-economic motives for companies to engage in international operations such as growth, profit opportunities, resource protection, economies of scale, and personal goals.