Answer: Starting and winning the Revolutionary War against Great Britain
So basically, pan-Arabism was an ideology closely to Arab nationalism, where Arab nations call for unity among Middle Eastern and North African countries. It's like, we share a common language, history, etc., so why not we be unified? And no, it was not successful. There are many conflicts within the Middle East today between Arab governments.
The political situation following the decline of the Roman Empire was not particularly envy-inducing. The reason for this was that Europe had no centralized government and with that there were a mixture of tribes where each fought for their right to rule over the best areas in Europe - D.
Answer:
Arid deserts, red rock formations and rugged mountain and natural wonders like the Grand Canyon. It is uniquely diverse.
Explanation: