Complex sentence: Archinus, a political ally of Eucleides was conspicuously involved in turbulent politics of Athen and it is believed that a decree on adoption of lonic alphabets was based on political consideration rather than artistic or language development.
Split into simpler sentences: Archinus, a political ally of Eucleides, was conspicuously involved in turbulent politics of Athens. It is believed that a decree on adoption of Ionic alphabets was based on political consideration rather than artistic or language development.