What did Alexander the Great attempt to achieve?
Alexander The Great tried to unite the east under one ruler (himself), with one empire (his), one language (his). He tried to make it so nobody in the upper classes was this or that, they were all one kind, except that all had to prostrate themselves before him. This was opposed by his Macedonians who could see that changing the attitudes of so many people could not be achieved by dictum. And so it happened – the veneer of Hellenic civilisation was so thin that it progressively collapsed, and left Alexander’s successors ruling over ever-shrinking lands. The Middle East reverted to to fragmentation which reversed the positive unification efforts of Alexander’s predecessors – the Persians.