World Geography

Step 1: Expand the acronym OPEC. OPEC stands for the Organization of the Petroleum Exporting Countries.

Step 2: Determine its function from its name. As the name explicitly states, the organization is a cartel of countries whose primary export is petroleum. Its main goal is to coordinate and unify the petroleum policies of its member countries.

Step 1: Identify the capitals listed in the options.

Canberra is the capital of Australia.
Lusaka is the capital of Zambia.
Addis Ababa is the capital of Ethiopia.
Nairobi is the capital of Kenya.

Step 2: Match the country with its capital. The capital of Ethiopia is Addis Ababa.