Final answer:
After World War II, many former colonies implemented central planning to modernize their economies by nationalizing industries and public utilities.
Step-by-step explanation:
After World War II, many former colonies of European powers implemented central planning to modernize their economies. These countries, newly formed sovereign nations, often sought to reclaim control over their economic systems by nationalizing industries and public utilities previously owned by foreigners. For example, Nehru's government in India nationalized railroads, electric utilities, and communication systems. This trend was also observed in many African and Asian countries.