Complex sentence: As the American Revolution gathered momentum, Georgia remained the most loyal colony--due in part to its recent settlement, with many residents having direct ties through kinship in Great Britain, and, in part as well, to Wright's able administration.
Split into simpler sentences: As the American Revolution gathered momentum, Georgia remained the most loyal colony. This was due in part to its recent settlement, since many residents had direct roots and ties with Great Britain, and, in part, to his able administration.