<span>When government workers are later hired as lobbyists the practice is referred to as the revolving door policy. Some countries have legislation against it considering it unethical, some don't care about it.</span>
I assume you mean what challenges after they gained independence. They had many internal conflicts. This included fighting about religion. There were also natural disasters. There was the problem of transitioning directly from a dictatorship to a democracy.
Fertile Crescent, which arcs from the Persian Gulf to Turkey and south to Egypt