Complex sentence: Innis argues, for example, that in ancient Egypt, a complex writing system conferred a monopoly of knowledge on literate priests and scribes because mastering the arts of writing and reading required long periods of apprenticeship and instruction confining knowledge to a special class.
Split into simpler sentences: Innis argues, for example, that in ancient Egypt, a complex writing system conferred a monopoly of knowledge on literate priests and scribes. He notes that mastering the arts of writing and reading required long periods of apprenticeship and instruction confining knowledge to a special class.