Complex sentence: The 1927 Indiana Bituminous Strike was a movement led by UMWA (the United Mine Workers of America) against Indiana County Court and local bituminous coal companies, for issuing a variety of injunctions to reduce workers' pay and cut down labour unions.
Split into simpler sentences: The 1927 Indiana Bituminous Strike was a movement led by UMWA (the United Mine Workers of America) against the Indiana County Court and local bituminous coal companies. The reasons for the strike were the issuing of injunctions to reduce workers' pay and cut down labour unions.