Before to give an answer about the particular question is necessary comment about the empire.
The fall of the Roman empire is a subject for many historians , they says the Roman power may have collapsed, but many the various cultures of the Roman empire mutated and envolved.
However the empire never led the text of Greek.
Answer:
In order to prevent the conquest of an independent nation by communism.
All
Some living organisms are only one cell, or unicellular. Things like bacteria and amoebas are single cell organisms. ... Because cells are able to differentiate and perform different tasks, multicellular organisms can become very complex. For example, red blood cells can carry oxygen throughout the body.