Complex sentence: Caroline, Cecil, Dorchester, Harford, and Montgomery, the hardest hit counties in Maryland, however Ehrlich stated in a letter to President Bush requesting the aid that more counties could be included after damage assessments.
Split into simpler sentences: Caroline, Cecil, Dorchester, Harford, and Montgomery. However, Ehrlich stated in a letter requesting the aid to President George W. Bush that more counties could be included after damage assessments.