What are the major economic activities of tropical region?

Agriculture and Tourism.

Explanation:

Tropical region typically  have a relatively warm climates throughout the years and possess high amount of soil with high nutrients.

This make it easy for agricultural products to grow throughout the year without any period of stagnation. (Countries that located far from tropical region wouldn't have much agricultural production in winters)

On top of that, the warm climate also make tropical region became a desirable destination for Tourists who wanted to get away from their busy schedule and have a relaxing time.

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haile selassie i was the emperor of ethiopia from 1930-1974