Identify the five stages of Rostow’s economic growth theory

Write a one-page essay and answer the following 3 questions.
1. Identify the five stages of Rostow’s economic growth theory.

2. Describe each stage and identify a specific country that typifies each stage and why.
3. Define Core-Periphery concepts and suggest reasons why there appear to be a continuing income and economic gaps between developed (Core) and underdeveloped countries.