Concept:The European Union (EU) is an economic and political union of member countries that promotes free trade and economic cooperation.
Explanation:The EU works to create a single market among its members.
This means removing trade barriers such as tariffs and quotas.
As a result, goods and services can move freely between member countries.
This encourages economic growth, competition, and closer political ties.
The aim is not to fight wars, tackle drugs alone, or solve child abuse.
Therefore, among the given options, the EU explicitly attempts to eliminate tariffs and quotas among member countries.
Answer:C. eliminate all tariffs and quotas among member countries.