Complex sentence: The "BSCP" suffered through a long and protracted fight to achieve recognition by the American Federation of Labor (AFL) in 1935, and signed its first collective bargaining agreement with the Pullman Company in 1937.
Split into simpler sentences: The "BSCP" suffered through a lengthy fight to achieve recognition by the American Federation of Labor (AFL) in 1935. BSCP signed its first collective bargaining agreement with the Pullman Company in 1937.