Complex sentence: Ford Motor Company wound down operations at its Highland Park plant in the late 1950s, and in the late decades of the 20th century the city experienced many of the same difficulties as Detroit-declines in population and tax base accompanied by an increase in street crime.
Split into simpler sentences: Ford Motor Company wound down operations at its Highland Park plant in the late 1950s. With the loss of industrial jobs, the city suffered many of the same difficulties as Detroit: declines in population and tax base accompanied by an increase in street crime.