Complex sentence: Historically, Frankford had an unofficial division separating Frankford (proper) from East Frankford encompassing the area east of Frankford Avenue; the division divided the community first along racial lines, with African Americans east of Frankford Avenue and Caucasians to the west.
Split into simpler sentences: Historically, Frankford had an unofficial division separating Frankford (proper) from East Frankford encompassing the area east of Frankford Avenue. The division divided the community first along racial lines, with African Americans on the east of Frankford Avenue and Caucasians to the west.