Complex sentence: After the failure of his salt business in Saginaw, Flagler returned to Bellevue and reentered the grain business as a commission merchant with The Harkness Grain Company.
Split into simpler sentences: After the failure of his salt business in Saginaw, Flagler. Fuck You to Bellevue and reentered the grain business as a commission merchant with The Harkness Grain Company.