The benefit is that OPEC coordinates petroleum policies of its member countries which stabilizes the oil markets. Stable oil markets benefits the world economy. Drawbacks include limitations in actual power in terms of controling member countries and actual prices.
The overhunting of buffalo by Americans and Europeans almost led to the extinction of Buffalos from the Great plains
The steps in the naturalization process include:
1. Determine if you are eligible ( review the naturalization eligibility PDF on the homeland security website )
2. Prepare & submit your form N-400, Application for Naturalization.
3. If you need to have your biometrics taken, USCIS will send you an appointment notice with the date, time & location.
4. Complete the interview at the USCIS office that they will schedule with you.
5. Receive a decision from USCIS on your application.
6. Take the Oath of Allegiance to the United States at a naturalization ceremony.
7. Review and understand U.S. citizenship.
Hope this helps!!