Complex sentence: Weakened by the prolonged economic downturn of the Panic of 1893, the Northern Pacific went bankrupt in October of 1893, and was forced to end its ownership of the Chicago and Northern Pacific, including Grand Central Station.
Split into simpler sentences: Weakened by the prolonged economic downturn of the Panic of 1893, the Northern Pacific went bankrupt in October of 1893. The Northern Pacific was forced to end its ownership of the Chicago and Northern Pacific including Grand Central Station.