Complex sentence: J. J. Daniel was named chairman, and he convinced Birchfield to join the group, and over 15 months they developed a document entitled, "Blueprint for Improvement", a plan for achieving consolidation of the Jacksonville City and Duval County governments.
Split into simpler sentences: J. J. Daniel was named chairman, and he convinced Birchfield to join the group. Over 15 months they developed a document entitled, "Blueprint for Improvement", a plan for achieving consolidation of the Jacksonville City and Duval County governments.