Why Does the Tariff System Vary from Country to Country

question 28

Essay

Why does the tariff system vary from country to country? Explain,giving examples of tariffs imposed by the United States with particular emphasis on preferential tariffs.What are the conditions under which GATT allows the use of preferential tariffs?

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Definitions:

Immune System

System associated with protection against pathogens, toxins, and some cancerous cells. In humans, this is an organ system.

Protoplasts

Plant, bacterial, or fungal cells with the cell wall removed, leaving the plasma membrane, cytoplasm, and organelles intact.

Transgenic Plants

Plants that have been genetically modified to contain and express genes from other species.

Cell Wall

A rigid layer that lies outside the cell membrane of plants, fungi, and bacteria, providing structural support and protection.