The answer is B, or "The institution of a single language for government"
The difference between this battle and the battle with Grendel is that in the battle with Grendel, Beowulf didn’t want to use weapons whereas with Grendel’smother, Beowulf used his weapons. Also when fighting with Grendel, Beowulf was the only one fighting and with Grendel’s mother, the other warriors were helping.
Created an elected Legislature
Granted freedom of speech and assembly is also one.